diff --git a/Cargo.lock b/Cargo.lock
index b387dc1..7b5ab22 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2740,6 +2740,7 @@ dependencies = [
  "futures",
  "image",
  "lazy_static",
+ "log",
  "rat-cursor",
  "ratatui",
  "reqwest",
@@ -2754,9 +2755,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.106"
+version = "2.0.108"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ede7c438028d4436d71104916910f5bb611972c5cfd7f89b8300a8186e6fada6"
+checksum = "da58917d35242480a05c2897064da0a80589a2a0476c9a3f2fdc83b53502e917"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/Cargo.toml b/Cargo.toml
index 5ab6e31..5e958da 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -17,7 +17,11 @@ rat-cursor = "1.2.1"
 serde_json = "1.0.145"
 image = "0.25.8"
 colored = "3.0.0"
-rocksdb = "0.24.0"
+log = "0.4.28"
+
+[dependencies.rocksdb]
+version = "0.24.0"
+features = ["multi-threaded-cf"]
 
 [dependencies.serde]
 version = "1.0.228"
diff --git a/src/app.rs b/src/app.rs
index 8b749fa..8c1d24a 100644
--- a/src/app.rs
+++ b/src/app.rs
@@ -1,5 +1,4 @@
 use crate::config::types::ApplicationConfig;
-use crate::constants::{APP_CONFIG_DIR, APP_DATA_DIR};
 use crate::event::{AppEvent, EventHandler};
 use crate::widgets::views::MainView;
 use crate::widgets::views::View;
@@ -10,8 +9,6 @@ use rat_cursor::HasScreenCursor;
 use ratatui::{DefaultTerminal, Frame};
 use std::any::Any;
 use std::time::Duration;
-use tokio::fs;
-use crate::crawler::DLSITE_IMG_FOLDER;
 
 pub(crate) struct App {
     events: EventHandler,
@@ -93,16 +90,3 @@ impl App {
         }
     }
 }
-
-pub async fn initialize_folders() -> Result<()> {
-    if !APP_CONFIG_DIR.exists() {
-        fs::create_dir_all(APP_CONFIG_DIR.as_path()).await?;
-    }
-    if !APP_DATA_DIR.exists() {
-        fs::create_dir_all(APP_DATA_DIR.as_path()).await?;
-    }
-    if !DLSITE_IMG_FOLDER.exists() {
-        fs::create_dir_all(DLSITE_IMG_FOLDER.as_path()).await?;
-    }
-    Ok(())
-}
diff --git a/src/cli.rs b/src/cli.rs
deleted file mode 100644
index 79f4c13..0000000
--- a/src/cli.rs
+++ /dev/null
@@ -1,223 +0,0 @@
-use crate::app;
-use crate::config::types::ApplicationConfig;
-use clap::{command, Args, Command, Parser, Subcommand};
-use color_eyre::Result;
-use ratatui::crossterm;
-use std::path::{Path, PathBuf};
-use color_eyre::eyre::eyre;
-use colored::Colorize;
-use crate::crawler::DLSiteCrawler;
-use crate::crawler::dlsite;
-
-// region Folder Command
-#[derive(Parser, Debug)]
-struct FolderAddCommand {
-    path: String,
-}
-
-#[derive(Parser, Debug)]
-enum FolderSubCommand {
-    Add(FolderAddCommand),
-}
-
-#[derive(Parser, Debug)]
-struct FolderCommand {
-    #[command(subcommand)]
-    subcommand: FolderSubCommand,
-}
-// endregion
-
-// region Sync
-#[derive(Parser, Debug)]
-struct SyncCommand {
-    #[command(subcommand)]
-    subcommand: SyncSubCommand,
-}
-
-#[derive(Parser, Debug)]
-enum SyncSubCommand {
-    DLSite(SyncDLSiteCommand)
-}
-
-#[derive(Parser, Debug)]
-struct SyncDLSiteCommand;
-
-// endregion
-
-#[derive(Parser, Debug)]
-enum CliSubCommand {
-    Folder(FolderCommand),
-    Sync(SyncCommand),
-}
-
-#[derive(Parser, Debug)]
-#[command(version, about)]
-pub(crate) struct Cli {
-    #[command(subcommand)]
-    subcommand: Option<CliSubCommand>,
-}
-
-impl Subcommand for Cli {
-    fn augment_subcommands(cmd: Command) -> Command {
-        cmd.subcommand(FolderCommand::augment_args(Command::new("folder")))
-            .subcommand_required(true)
-            .subcommand(SyncCommand::augment_args(Command::new("sync")))
-            .subcommand_required(true)
-    }
-
-    fn augment_subcommands_for_update(cmd: Command) -> Command {
-        cmd.subcommand(FolderCommand::augment_args(Command::new("folder")))
-            .subcommand_required(true)
-            .subcommand(SyncCommand::augment_args(Command::new("sync")))
-            .subcommand_required(true)
-    }
-
-    fn has_subcommand(name: &str) -> bool {
-        matches!(name, "folder" | "sync")
-    }
-}
-
-impl Subcommand for FolderCommand {
-    fn augment_subcommands(cmd: Command) -> Command {
-        cmd.subcommand(FolderAddCommand::augment_args(Command::new("add")))
-            .subcommand_required(true)
-    }
-
-    fn augment_subcommands_for_update(cmd: Command) -> Command {
-        cmd.subcommand(FolderAddCommand::augment_args(Command::new("add")))
-            .subcommand_required(true)
-    }
-
-    fn has_subcommand(name: &str) -> bool {
-        matches!(name, "add")
-    }
-}
-
-impl Subcommand for SyncCommand {
-    fn augment_subcommands(cmd: Command) -> Command {
-        cmd.subcommand(SyncDLSiteCommand::augment_args(Command::new("dlsite")))
-            .subcommand_required(true)
-    }
-
-    fn augment_subcommands_for_update(cmd: Command) -> Command {
-        cmd.subcommand(SyncDLSiteCommand::augment_args(Command::new("dlsite")))
-            .subcommand_required(true)
-    }
-
-    fn has_subcommand(name: &str) -> bool {
-        matches!(name, "dlsite")
-    }
-}
-
-impl Cli {
-    pub async fn run(&self) -> Result<()> {
-        app::initialize_folders().await?;
-        if self.subcommand.is_none() {
-            return self.start_tui().await;
-        }
-        if let Some(sub_command) = &self.subcommand {
-            return sub_command.handle().await;
-        }
-        Ok(())
-    }
-
-    async fn start_tui(&self) -> Result<()> {
-        crossterm::terminal::enable_raw_mode()?;
-
-        let mut terminal = ratatui::init();
-        let app = app::App::create().await?;
-        let result = app.run(&mut terminal).await;
-        ratatui::restore();
-
-        crossterm::terminal::disable_raw_mode()?;
-        result
-    }
-}
-
-impl CliSubCommand {
-    pub async fn handle(&self) -> Result<()> {
-        match self {
-            CliSubCommand::Folder(cmd) => cmd.subcommand.handle().await,
-            CliSubCommand::Sync(cmd) => cmd.subcommand.handle().await,
-        }
-    }
-}
-
-impl FolderSubCommand {
-    pub async fn handle(&self) -> Result<()> {
-        match self {
-            FolderSubCommand::Add(cmd) => cmd.handle().await,
-        }
-    }
-}
-
-impl SyncSubCommand {
-    pub async fn handle(&self) -> Result<()> {
-        match self {
-            Self::DLSite(cmd) => cmd.handle().await,
-        }
-    }
-}
-
-impl SyncDLSiteCommand {
-    pub async fn handle(&self) -> Result<()> {
-        let app_conf = ApplicationConfig::get_config()?;
-        Self::sync_genres(&app_conf).await?;
-        Self::sync_works(&app_conf).await?;
-        Ok(())
-    }
-
-    async fn sync_genres(app_conf: &ApplicationConfig) -> Result<()> {
-        Ok(())
-    }
-
-    async fn sync_works(app_conf: &ApplicationConfig) -> Result<()> {
-        let crawler = DLSiteCrawler::new();
-        let mut rj_nums: Vec<String> = Vec::new();
-        for path_str in app_conf.path_config.dlsite_paths.iter() {
-            let path = Path::new(path_str);
-            if !path.exists() {
-                return Err(eyre!("{} {}", path_str.blue(), "does not exist".red()));
-            }
-            let dir_paths = path.read_dir()?
-                .filter_map(Result::ok)
-                .map(|e| e.path())
-                .collect::<Vec<_>>();
-            for dir_path in dir_paths.iter() {
-                if !dir_path.is_dir() {
-                    println!("{dir_path:?} is not a directory");
-                    continue;
-                }
-                let dir_name = dir_path
-                    .file_name().unwrap()
-                    .to_str().unwrap();
-                if !dlsite::is_valid_rj_number(dir_name) {
-                    println!("{} {}", dir_path.to_str().unwrap().blue(), "is not a valid rj number, please add it manually".red());
-                    continue;
-                }
-                rj_nums.push(dir_name.to_string());
-            }
-        }
-        let maniaxes = crawler.get_game_infos(rj_nums).await?;
-        //TODO: save into db/probably change to use jsonb
-        Ok(())
-    }
-}
-
-impl FolderAddCommand {
-    pub async fn handle(&self) -> Result<()> {
-        let mut config = ApplicationConfig::get_config()?;
-        let path = PathBuf::from(&self.path);
-        let abs_path = path.canonicalize()?;
-        if !abs_path.is_dir() {
-            return Err(eyre!("{:?} is not a directory", abs_path));
-        }
-        config
-            .path_config
-            .dlsite_paths
-            .push(abs_path.to_str().unwrap().to_string());
-        config.save()?;
-        println!("Added {:?} to path config", abs_path);
-        Ok(())
-    }
-}
diff --git a/src/cli/folder.rs b/src/cli/folder.rs
new file mode 100644
index 0000000..1db43da
--- /dev/null
+++ b/src/cli/folder.rs
@@ -0,0 +1,65 @@
+use std::path::PathBuf;
+use clap::{Args, Command, Parser, Subcommand};
+use color_eyre::eyre::eyre;
+use crate::config::types::ApplicationConfig;
+
+#[derive(Parser, Debug)]
+pub(super) struct FolderAddCommand {
+    path: String,
+}
+
+#[derive(Parser, Debug)]
+pub(super) enum FolderSubCommand {
+    Add(FolderAddCommand),
+}
+
+#[derive(Parser, Debug)]
+pub(super) struct FolderCommand {
+    #[command(subcommand)]
+    pub(super) subcommand: FolderSubCommand,
+}
+
+impl Subcommand for FolderCommand {
+    fn augment_subcommands(cmd: Command) -> Command {
+        cmd.subcommand(FolderAddCommand::augment_args(Command::new("add")))
+            .subcommand_required(true)
+    }
+
+    fn augment_subcommands_for_update(cmd: Command) -> Command {
+        cmd.subcommand(FolderAddCommand::augment_args(Command::new("add")))
+            .subcommand_required(true)
+    }
+
+    fn has_subcommand(name: &str) -> bool {
+        matches!(name, "add")
+    }
+}
+
+
+
+impl FolderSubCommand {
+    pub async fn handle(&self) -> color_eyre::Result<()> {
+        match self {
+            FolderSubCommand::Add(cmd) => cmd.handle().await,
+        }
+    }
+}
+
+
+impl FolderAddCommand {
+    pub async fn handle(&self) -> color_eyre::Result<()> {
+        let mut config = ApplicationConfig::get_config()?;
+        let path = PathBuf::from(&self.path);
+        let abs_path = path.canonicalize()?;
+        if !abs_path.is_dir() {
+            return Err(eyre!("{:?} is not a directory", abs_path));
+        }
+        config
+            .path_config
+            .dlsite_paths
+            .push(abs_path.to_str().unwrap().to_string());
+        config.save()?;
+        println!("Added {:?} to path config", abs_path);
+        Ok(())
+    }
+}
\ No newline at end of file
diff --git a/src/cli/mod.rs b/src/cli/mod.rs
new file mode 100644
index 0000000..f0e7e1d
--- /dev/null
+++ b/src/cli/mod.rs
@@ -0,0 +1,76 @@
+mod folder;
+mod sync;
+
+use crate::{app, helpers};
+use clap::{command, Args, Command, Parser, Subcommand};
+use color_eyre::Result;
+use ratatui::crossterm;
+use crate::cli::folder::FolderCommand;
+use crate::cli::sync::SyncCommand;
+
+#[derive(Parser, Debug)]
+enum CliSubCommand {
+    Folder(FolderCommand),
+    Sync(SyncCommand),
+}
+
+#[derive(Parser, Debug)]
+#[command(version, about)]
+pub(crate) struct Cli {
+    #[command(subcommand)]
+    subcommand: Option<CliSubCommand>,
+}
+
+impl Subcommand for Cli {
+    fn augment_subcommands(cmd: Command) -> Command {
+        cmd.subcommand(FolderCommand::augment_args(Command::new("folder")))
+            .subcommand_required(true)
+            .subcommand(SyncCommand::augment_args(Command::new("sync")))
+            .subcommand_required(true)
+    }
+
+    fn augment_subcommands_for_update(cmd: Command) -> Command {
+        cmd.subcommand(FolderCommand::augment_args(Command::new("folder")))
+            .subcommand_required(true)
+            .subcommand(SyncCommand::augment_args(Command::new("sync")))
+            .subcommand_required(true)
+    }
+
+    fn has_subcommand(name: &str) -> bool {
+        matches!(name, "folder" | "sync")
+    }
+}
+
+impl Cli {
+    pub async fn run(&self) -> Result<()> {
+        helpers::initialize_folders().await?;
+        if self.subcommand.is_none() {
+            return self.start_tui().await;
+        }
+        if let Some(sub_command) = &self.subcommand {
+            return sub_command.handle().await;
+        }
+        Ok(())
+    }
+
+    async fn start_tui(&self) -> Result<()> {
+        crossterm::terminal::enable_raw_mode()?;
+
+        let mut terminal = ratatui::init();
+        let app = app::App::create().await?;
+        let result = app.run(&mut terminal).await;
+        ratatui::restore();
+
+        crossterm::terminal::disable_raw_mode()?;
+        result
+    }
+}
+
+impl CliSubCommand {
+    pub async fn handle(&self) -> Result<()> {
+        match self {
+            CliSubCommand::Folder(cmd) => cmd.subcommand.handle().await,
+            CliSubCommand::Sync(cmd) => cmd.subcommand.handle().await,
+        }
+    }
+}
diff --git a/src/cli/sync.rs b/src/cli/sync.rs
new file mode 100644
index 0000000..1ac27ee
--- /dev/null
+++ b/src/cli/sync.rs
@@ -0,0 +1,94 @@
+use std::path::Path;
+use clap::{Args, Command, Parser, Subcommand};
+use color_eyre::eyre::eyre;
+use color_eyre::eyre::Result;
+use colored::Colorize;
+use crate::config::types::ApplicationConfig;
+use crate::constants::{DB_CF_OPTIONS, DB_OPTIONS};
+use crate::crawler::{dlsite, DLSiteCrawler};
+use crate::helpers::db::RocksDB;
+use crate::models::DLSiteManiax;
+
+#[derive(Parser, Debug)]
+pub(super) struct SyncCommand {
+    #[command(subcommand)]
+    pub(super) subcommand: SyncSubCommand,
+}
+
+#[derive(Parser, Debug)]
+pub(super) enum SyncSubCommand {
+    DLSite(SyncDLSiteCommand)
+}
+
+#[derive(Parser, Debug)]
+pub(super) struct SyncDLSiteCommand;
+
+impl Subcommand for SyncCommand {
+    fn augment_subcommands(cmd: Command) -> Command {
+        cmd.subcommand(SyncDLSiteCommand::augment_args(Command::new("dlsite")))
+            .subcommand_required(true)
+    }
+
+    fn augment_subcommands_for_update(cmd: Command) -> Command {
+        cmd.subcommand(SyncDLSiteCommand::augment_args(Command::new("dlsite")))
+            .subcommand_required(true)
+    }
+
+    fn has_subcommand(name: &str) -> bool {
+        matches!(name, "dlsite")
+    }
+}
+
+impl SyncSubCommand {
+    pub async fn handle(&self) -> color_eyre::Result<()> {
+        match self {
+            Self::DLSite(cmd) => cmd.handle().await,
+        }
+    }
+}
+
+impl SyncDLSiteCommand {
+    pub async fn handle(&self) -> color_eyre::Result<()> {
+        let app_conf = ApplicationConfig::get_config()?;
+        let db = RocksDB::new(DB_OPTIONS.clone(), DB_CF_OPTIONS.clone())?;
+        Self::sync_genres(&app_conf).await?;
+        Self::sync_works(&app_conf, &db).await?;
+        Ok(())
+    }
+
+    async fn sync_genres(app_conf: &ApplicationConfig) -> Result<()> {
+        Ok(())
+    }
+
+    async fn sync_works(app_conf: &ApplicationConfig, db: &RocksDB) -> Result<()> {
+        let crawler = DLSiteCrawler::new();
+        let mut rj_nums: Vec<String> = Vec::new();
+        for path_str in app_conf.path_config.dlsite_paths.iter() {
+            let path = Path::new(path_str);
+            if !path.exists() {
+                return Err(eyre!("{} {}", path_str.blue(), "does not exist".red()));
+            }
+            let dir_paths = path.read_dir()?
+                .filter_map(Result::ok)
+                .map(|e| e.path())
+                .collect::<Vec<_>>();
+            for dir_path in dir_paths.iter() {
+                if !dir_path.is_dir() {
+                    println!("{dir_path:?} is not a directory");
+                    continue;
+                }
+                let dir_name = dir_path
+                    .file_name().unwrap()
+                    .to_str().unwrap();
+                if !dlsite::is_valid_rj_number(dir_name) {
+                    println!("{} {}", dir_path.to_str().unwrap().blue(), "is not a valid rj number, please add it manually".red());
+                    continue;
+                }
+                rj_nums.push(dir_name.to_string());
+            }
+        }
+        let maniaxes = crawler.get_game_infos(rj_nums).await?;
+        db.set_values(&maniaxes)?;
+        Ok(())
+    }
+}
\ No newline at end of file
diff --git a/src/config/mod.rs b/src/config/mod.rs
index cda74c7..60934c8 100644
--- a/src/config/mod.rs
+++ b/src/config/mod.rs
@@ -1,5 +1,5 @@
 use crate::config::types::{ApplicationConfig, BasicConfig, PathConfig};
-use crate::constants::{APP_CONIFG_FILE_PATH, APP_DATA_DIR};
+use crate::constants::{APP_CONIFG_FILE_PATH, APP_DB_DATA_DIR};
 use color_eyre::Result;
 use std::path::PathBuf;
 use serde_json;
@@ -24,12 +24,7 @@ impl ApplicationConfig {
     fn new() -> Self {
         let conf = Self {
             basic_config: BasicConfig {
-                db_path: APP_DATA_DIR
-                    .clone()
-                    .join("games.db")
-                    .to_str()
-                    .unwrap()
-                    .to_string(),
+                db_path: APP_DB_DATA_DIR.to_str().unwrap().to_string(),
                 tick_rate: 250,
             },
             path_config: PathConfig {
diff --git a/src/config/types.rs b/src/config/types.rs
index e2b7cb6..84a294d 100644
--- a/src/config/types.rs
+++ b/src/config/types.rs
@@ -14,5 +14,5 @@ pub(crate) struct BasicConfig {
 
 #[derive(Clone, Debug, Serialize, Deserialize)]
 pub struct PathConfig {
-    pub dlsite_paths: Vec<String>,
+    pub dlsite_paths: Vec<String>
 }
diff --git a/src/constants.rs b/src/constants.rs
index b10950f..d0006cb 100644
--- a/src/constants.rs
+++ b/src/constants.rs
@@ -1,7 +1,7 @@
 use directories::BaseDirs;
 use lazy_static::lazy_static;
 use std::path::PathBuf;
-use crate::config::types::ApplicationConfig;
+use crate::models::{DLSiteManiax, RocksColumn};
 
 const APP_DIR_NAME: &str = "sus_manager";
 lazy_static! {
@@ -11,4 +11,27 @@ lazy_static! {
     pub static ref APP_DATA_DIR: PathBuf = BASE_DIRS.data_dir().to_path_buf().join(APP_DIR_NAME);
     pub static ref APP_CACHE_PATH: PathBuf = BASE_DIRS.cache_dir().to_path_buf().join(APP_DIR_NAME);
     pub static ref APP_CONIFG_FILE_PATH: PathBuf = APP_CONFIG_DIR.clone().join("config.json");
+    pub static ref APP_DB_DATA_DIR: PathBuf = APP_DATA_DIR.clone().join("db");
+
+    pub static ref DB_OPTIONS: rocksdb::Options = get_db_options();
+    pub static ref DB_CF_OPTIONS: rocksdb::Options = get_cf_options();
+}
+
+lazy_static! {
+    pub static ref DB_COLUMNS: Vec<String> = vec![DLSiteManiax::get_column_name().to_string()];
+}
+
+fn get_db_options() -> rocksdb::Options {
+    let mut opts = rocksdb::Options::default();
+
+    opts.create_missing_column_families(true);
+    opts.create_if_missing(true);
+
+    opts
+}
+
+fn get_cf_options() -> rocksdb::Options {
+    let opts = rocksdb::Options::default();
+
+    opts
 }
\ No newline at end of file
diff --git a/src/crawler/dlsite.rs b/src/crawler/dlsite.rs
index 92fa1a4..43718a8 100644
--- a/src/crawler/dlsite.rs
+++ b/src/crawler/dlsite.rs
@@ -3,11 +3,12 @@ use std::path::PathBuf;
 use color_eyre::eyre::eyre;
 use reqwest::Url;
 use color_eyre::Result;
+use colored::Colorize;
 use lazy_static::lazy_static;
 use scraper::{Html, Selector};
-use serde::{Deserialize, Serialize};
 use crate::constants::{APP_DATA_DIR};
 use crate::crawler::Crawler;
+use crate::models::DLSiteManiax;
 
 //TODO: override locale with user one
 const DLSITE_URL: &str = "https://www.dlsite.com/";
@@ -23,18 +24,6 @@ pub struct DLSiteCrawler {
     crawler: Crawler,
 }
 
-#[derive(Clone, Debug, Serialize, Deserialize)]
-pub struct DLSiteManiax {
-    #[serde(rename = "work_name")]
-    pub title: String,
-    #[serde(rename = "work_image")]
-    work_image_url: String,
-    #[serde(rename = "dl_count")]
-    pub sells_count: u32,
-    #[serde(skip)]
-    pub genre_ids: Vec<u16>
-}
-
 impl DLSiteCrawler {
     pub fn new() -> Self {
         Self {
@@ -65,7 +54,7 @@ impl DLSiteCrawler {
             .map(|n| n.to_string())
             .collect::<Vec<String>>();
         if !nums_diff.is_empty() {
-            return Err(eyre!("Restricted/Removed Works: {}", nums_diff.join(", ")));
+            println!("Restricted/Removed Works: {}", nums_diff.join(", ").red());
         }
 
         let mut maniax_infos = Vec::new();
@@ -76,6 +65,7 @@ impl DLSiteCrawler {
             let (html, _) = self.crawler.get_html(&html_path).await?;
             let genres = self.get_genres(&html)?;
             info.genre_ids = genres;
+            info.id = rj_num;
             maniax_infos.push(info);
         }
         Ok(maniax_infos)
diff --git a/src/helpers/db.rs b/src/helpers/db.rs
new file mode 100644
index 0000000..f957e46
--- /dev/null
+++ b/src/helpers/db.rs
@@ -0,0 +1,90 @@
+use crate::constants::{APP_DB_DATA_DIR, DB_COLUMNS};
+use rocksdb::{ColumnFamilyDescriptor, IteratorMode, OptimisticTransactionDB, Options};
+use serde::{Serialize};
+use serde::de::DeserializeOwned;
+use crate::models::RocksColumn;
+
+pub struct RocksDB {
+    db: OptimisticTransactionDB,
+}
+
+impl RocksDB {
+    pub fn new(db_opts: Options, cf_opts: Options) -> color_eyre::Result<Self> {
+        let cfs = DB_COLUMNS.iter()
+            .map(|cf| ColumnFamilyDescriptor::new(cf.to_string(), cf_opts.clone()))
+            .collect::<Vec<_>>();
+        let db = OptimisticTransactionDB::open_cf_descriptors(
+            &db_opts,
+            APP_DB_DATA_DIR.as_path(),
+            cfs
+        )?;
+        let rocks = Self {
+            db
+        };
+        Ok(rocks)
+    }
+
+    pub fn get_value<TValue, TColumn>(&self, id: TColumn::Id) -> color_eyre::Result<Option<TValue>>
+        where TColumn: RocksColumn, TValue: DeserializeOwned
+    {
+        let cf = self.db.cf_handle(TColumn::get_column_name().as_str()).unwrap();
+        let query_res = self.db.get_cf(&cf, serde_json::to_string(&id)?)?;
+        if query_res.is_none() {
+            return Ok(None);
+        }
+        Ok(Some(serde_json::from_slice(&query_res.unwrap())?))
+    }
+
+    pub fn set_value<TColumn>(&self, value: &TColumn) -> color_eyre::Result<()>
+        where TColumn: RocksColumn + Serialize
+    {
+        let cf = self.db.cf_handle(TColumn::get_column_name().as_str()).unwrap();
+        self.db.put_cf(&cf, serde_json::to_string(&value.get_id())?, serde_json::to_string(value)?)?;
+        Ok(())
+    }
+
+    pub fn get_values<TColumn>(&self, ids: &[TColumn::Id]) -> color_eyre::Result<Vec<TColumn>>
+        where TColumn: RocksColumn + DeserializeOwned
+    {
+        let transaction = self.db.transaction();
+        let cf = self.db.cf_handle(TColumn::get_column_name().as_str()).unwrap();
+        let mut values = Vec::new();
+        for id in ids {
+            let query_res = transaction.get_cf(&cf, serde_json::to_string(id)?)?;
+            if let Some(res) = query_res {
+                let value = serde_json::from_slice(&res)?;
+                values.push(value);
+            }
+        }
+        Ok(values)
+    }
+
+    pub fn get_all_values<TColumn>(&self) -> color_eyre::Result<Vec<(TColumn::Id, TColumn)>>
+        where TColumn: RocksColumn + DeserializeOwned
+    {
+        let cf = self.db.cf_handle(TColumn::get_column_name().as_str()).unwrap();
+        let values = self.db.iterator_cf(&cf, IteratorMode::Start)
+            .filter_map(|res| res.ok())
+            .map(|(k, v)|
+                (
+                    serde_json::from_slice::<TColumn::Id>(&k).unwrap(),
+                    serde_json::from_slice::<TColumn>(&v).unwrap()
+                )
+            )
+            .collect::<Vec<_>>();
+        Ok(values)
+    }
+
+
+    pub fn set_values<TColumn>(&self, values: &[TColumn]) -> color_eyre::Result<()>
+        where TColumn: RocksColumn + Serialize
+    {
+        let transaction = self.db.transaction();
+        let cf = self.db.cf_handle(TColumn::get_column_name().as_str()).unwrap();
+        for value in values {
+            transaction.put_cf(&cf, serde_json::to_string(&value.get_id())?, serde_json::to_string(value)?)?;
+        }
+        transaction.commit()?;
+        Ok(())
+    }
+}
\ No newline at end of file
diff --git a/src/helpers/mod.rs b/src/helpers/mod.rs
index e69de29..559e9d2 100644
--- a/src/helpers/mod.rs
+++ b/src/helpers/mod.rs
@@ -0,0 +1,22 @@
+pub mod db;
+
+use tokio::fs;
+use crate::constants::{APP_CONFIG_DIR, APP_DATA_DIR, APP_DB_DATA_DIR};
+use crate::crawler::DLSITE_IMG_FOLDER;
+
+
+pub async fn initialize_folders() -> color_eyre::Result<()> {
+    if !APP_CONFIG_DIR.exists() {
+        fs::create_dir_all(APP_CONFIG_DIR.as_path()).await?;
+    }
+    if !APP_DATA_DIR.exists() {
+        fs::create_dir_all(APP_DATA_DIR.as_path()).await?;
+    }
+    if !DLSITE_IMG_FOLDER.exists() {
+        fs::create_dir_all(DLSITE_IMG_FOLDER.as_path()).await?;
+    }
+    if !APP_DB_DATA_DIR.exists() {
+        fs::create_dir_all(APP_DB_DATA_DIR.as_path()).await?;
+    }
+    Ok(())
+}
\ No newline at end of file
diff --git a/src/models/game.rs b/src/models/game.rs
index 0f3a168..2bc2ec0 100644
--- a/src/models/game.rs
+++ b/src/models/game.rs
@@ -1,6 +1,34 @@
 use ratatui::widgets::ListState;
+use serde::{Deserialize, Serialize};
+use crate::models::RocksColumn;
 
 pub(crate) struct GameList<T> {
     games: Vec<T>,
     state: ListState,
 }
+
+#[derive(Clone, Debug, Serialize, Deserialize)]
+pub(crate) struct DLSiteManiax {
+    #[serde(rename = "work_name")]
+    pub title: String,
+    #[serde(rename = "work_image")]
+    pub work_image_url: String,
+    #[serde(rename = "dl_count")]
+    pub sells_count: u32,
+    #[serde(skip)]
+    pub genre_ids: Vec<u16>,
+    #[serde(skip)]
+    pub id: String,
+}
+
+impl RocksColumn for DLSiteManiax {
+    type Id = String;
+
+    fn get_id(&self) -> Self::Id {
+        self.id.clone()
+    }
+
+    fn get_column_name() -> String {
+        String::from("dl_games")
+    }
+}
\ No newline at end of file
diff --git a/src/models/mod.rs b/src/models/mod.rs
index f8f629a..d30cb2a 100644
--- a/src/models/mod.rs
+++ b/src/models/mod.rs
@@ -1,2 +1,11 @@
 mod game;
-pub use game::*;
\ No newline at end of file
+
+use serde::de::DeserializeOwned;
+use serde::Serialize;
+pub(crate) use game::*;
+
+pub trait RocksColumn {
+    type Id: Serialize + DeserializeOwned;
+    fn get_id(&self) -> Self::Id;
+    fn get_column_name() -> String;
+}
\ No newline at end of file