diff --git a/packages/backend/native-utils/Cargo.toml b/packages/backend/native-utils/Cargo.toml
index 3c70a0209..ba7a48b8d 100644
--- a/packages/backend/native-utils/Cargo.toml
+++ b/packages/backend/native-utils/Cargo.toml
@@ -9,7 +9,7 @@ members = ["migration/Cargo.toml"]
 [features]
 default = ["napi"]
 noarray = []
-napi = ["dep:napi", "dep:napi-derive"]
+napi = ["dep:napi", "dep:napi-derive", "dep:radix_fmt"]
 
 [lib]
 crate-type = ["cdylib", "lib"]
@@ -33,8 +33,9 @@ tokio = { version = "1.28.1", features = ["full"] }
 utoipa = "3.3.0"
 
 # Default enable napi4 feature, see https://nodejs.org/api/n-api.html#node-api-version-matrix
-napi = { version = "2.12.0", default-features = false, features = ["napi4", "tokio_rt"], optional = true }
+napi = { version = "2.12.0", default-features = false, features = ["napi6", "tokio_rt"], optional = true }
 napi-derive = { version = "2.12.0", optional = true }
+radix_fmt = { version = "1.0.0", optional = true }
 
 [dev-dependencies]
 pretty_assertions = "1.3.0"
diff --git a/packages/backend/native-utils/package.json b/packages/backend/native-utils/package.json
index f1ea2c9b4..8423f569b 100644
--- a/packages/backend/native-utils/package.json
+++ b/packages/backend/native-utils/package.json
@@ -34,13 +34,13 @@
   },
   "scripts": {
     "artifacts": "napi artifacts",
-    "build": "napi build --platform --release ./built/",
+    "build": "napi build --features napi --platform --release ./built/",
     "build:debug": "napi build --platform",
     "prepublishOnly": "napi prepublish -t npm",
     "test": "ava",
     "universal": "napi universal",
     "version": "napi version",
     "cargo:unit": "cargo test unit_test",
-    "cargo:integration": "cargo test --no-default-features int_test -- --test-threads=1"
+    "cargo:integration": "cargo test --no-default-features -F noarray int_test -- --test-threads=1"
   }
 }
diff --git a/packages/backend/native-utils/src/database/error.rs b/packages/backend/native-utils/src/database/error.rs
index babdd6831..68e959e0a 100644
--- a/packages/backend/native-utils/src/database/error.rs
+++ b/packages/backend/native-utils/src/database/error.rs
@@ -1,5 +1,7 @@
 use sea_orm::error::DbErr;
 
+use crate::impl_into_napi_error;
+
 #[derive(thiserror::Error, Debug, PartialEq, Eq)]
 pub enum Error {
     #[error("The database connections have not been initialized yet")]
@@ -7,3 +9,5 @@ pub enum Error {
     #[error("ORM error: {0}")]
     OrmError(#[from] DbErr),
 }
+
+impl_into_napi_error!(Error);
diff --git a/packages/backend/native-utils/src/database/mod.rs b/packages/backend/native-utils/src/database/mod.rs
index c3cdea727..80189a813 100644
--- a/packages/backend/native-utils/src/database/mod.rs
+++ b/packages/backend/native-utils/src/database/mod.rs
@@ -1,12 +1,13 @@
 pub mod error;
 
+use cfg_if::cfg_if;
 use error::Error;
 use sea_orm::{Database, DbConn};
 
 static DB_CONN: once_cell::sync::OnceCell<DbConn> = once_cell::sync::OnceCell::new();
 
-pub async fn init_database(connection_uri: impl Into<String>) -> Result<(), Error> {
-    let conn = Database::connect(connection_uri.into()).await?;
+pub async fn init_database(conn_uri: impl Into<String>) -> Result<(), Error> {
+    let conn = Database::connect(conn_uri.into()).await?;
     DB_CONN.get_or_init(move || conn);
     Ok(())
 }
@@ -15,6 +16,17 @@ pub fn get_database() -> Result<&'static DbConn, Error> {
     DB_CONN.get().ok_or(Error::Uninitialized)
 }
 
+cfg_if! {
+    if #[cfg(feature = "napi")] {
+        use napi_derive::napi;
+
+        #[napi]
+        pub async fn native_init_database(conn_uri: String) -> napi::Result<()> {
+            init_database(conn_uri).await.map_err(Into::into)
+        }
+    }
+}
+
 #[cfg(test)]
 mod unit_test {
     use super::{error::Error, get_database};
diff --git a/packages/backend/native-utils/src/lib.rs b/packages/backend/native-utils/src/lib.rs
index 6a5e3f7f2..f18e69a48 100644
--- a/packages/backend/native-utils/src/lib.rs
+++ b/packages/backend/native-utils/src/lib.rs
@@ -1,4 +1,5 @@
 pub mod database;
+pub mod macros;
 pub mod model;
 pub mod util;
 
diff --git a/packages/backend/native-utils/src/macros.rs b/packages/backend/native-utils/src/macros.rs
new file mode 100644
index 000000000..49ab82632
--- /dev/null
+++ b/packages/backend/native-utils/src/macros.rs
@@ -0,0 +1,11 @@
+#[macro_export]
+macro_rules! impl_into_napi_error {
+    ($a:ty) => {
+        #[cfg(feature = "napi")]
+        impl Into<napi::Error> for $a {
+            fn into(self) -> napi::Error {
+                napi::Error::from_reason(self.to_string())
+            }
+        }
+    };
+}
diff --git a/packages/backend/native-utils/src/model/error.rs b/packages/backend/native-utils/src/model/error.rs
index 2292246ae..8e9213066 100644
--- a/packages/backend/native-utils/src/model/error.rs
+++ b/packages/backend/native-utils/src/model/error.rs
@@ -1,8 +1,10 @@
+use crate::impl_into_napi_error;
+
 #[derive(thiserror::Error, Debug, PartialEq, Eq)]
 pub enum Error {
-    #[error("Failed to parse string")]
+    #[error("Failed to parse string: {0}")]
     ParseError(#[from] parse_display::ParseError),
-    #[error("Failed to get database connection")]
+    #[error("Failed to get database connection: {0}")]
     DbConnError(#[from] crate::database::error::Error),
     #[error("Database operation error: {0}")]
     DbOperationError(#[from] sea_orm::DbErr),
@@ -10,9 +12,4 @@ pub enum Error {
     NotFound,
 }
 
-#[cfg(feature = "napi")]
-impl Into<napi::Error> for Error {
-    fn into(self) -> napi::Error {
-        napi::Error::from_reason(self.to_string())
-    }
-}
+impl_into_napi_error!(Error);
diff --git a/packages/backend/native-utils/src/model/repository.rs b/packages/backend/native-utils/src/model/repository.rs
index 0f9f7de32..5abf7907f 100644
--- a/packages/backend/native-utils/src/model/repository.rs
+++ b/packages/backend/native-utils/src/model/repository.rs
@@ -5,13 +5,18 @@ use schemars::JsonSchema;
 
 use super::error::Error;
 
+/// Repositories have a packer that converts a database model to its
+/// corresponding API schema.
 #[async_trait]
 pub trait Repository<T: JsonSchema> {
     async fn pack(self) -> Result<T, Error>;
+    /// Retrieves one model by its id and pack it.
     async fn pack_by_id(id: String) -> Result<T, Error>;
 }
 
 mod macros {
+    /// Provides the default implementation of
+    /// [crate::model::repository::Repository::pack_by_id].
     macro_rules! impl_pack_by_id {
         ($a:ty, $b:ident) => {
             match <$a>::find_by_id($b)
diff --git a/packages/backend/native-utils/src/model/schema.rs b/packages/backend/native-utils/src/model/schema.rs
index ef4368dda..4c0ca7941 100644
--- a/packages/backend/native-utils/src/model/schema.rs
+++ b/packages/backend/native-utils/src/model/schema.rs
@@ -23,8 +23,9 @@ pub trait Schema<T: JsonSchema> {
 
 cfg_if! {
     if #[cfg(feature = "napi")] {
-        pub use antenna::napi::AntennaSchema as Antenna;
-        pub use antenna::napi::AntennaSrc;
+        // Will be disabled once we completely migrate to rust
+        pub use antenna::NativeAntennaSchema as Antenna;
+        pub use antenna::NativeAntennaSrc as AntennaSrc;
     } else {
         pub use antenna::Antenna;
         pub use antenna::AntennaSrc;
diff --git a/packages/backend/native-utils/src/model/schema/antenna.rs b/packages/backend/native-utils/src/model/schema/antenna.rs
index 8b553c082..99521a98b 100644
--- a/packages/backend/native-utils/src/model/schema/antenna.rs
+++ b/packages/backend/native-utils/src/model/schema/antenna.rs
@@ -1,3 +1,4 @@
+use cfg_if::cfg_if;
 use jsonschema::JSONSchema;
 use once_cell::sync::Lazy;
 use parse_display::FromStr;
@@ -60,62 +61,62 @@ impl Schema<Self> for super::Antenna {}
 pub static VALIDATOR: Lazy<JSONSchema> = Lazy::new(|| super::Antenna::validator());
 // ----
 
-#[cfg(feature = "napi")]
-pub mod napi {
-    use napi::bindgen_prelude::*;
-    use napi_derive::napi;
-    use parse_display::FromStr;
-    use schemars::JsonSchema;
-    use utoipa::ToSchema;
+cfg_if! {
+    if #[cfg(feature = "napi")] {
+        use napi::bindgen_prelude::{FromNapiValue, ToNapiValue};
+        use napi_derive::napi;
 
-    use crate::model::{entity::antenna, repository::Repository};
+        use crate::model::entity::antenna;
+        use crate::model::repository::Repository;
 
-    #[napi]
-    #[derive(Clone, Debug, PartialEq, Eq, JsonSchema, ToSchema)]
-    #[serde(rename_all = "camelCase")]
-    pub struct AntennaSchema {
-        pub id: String,
-        pub created_at: String,
-        pub name: String,
-        pub keywords: Vec<Vec<String>>,
-        pub exclude_keywords: Vec<Vec<String>>,
-        #[schema(inline)]
-        pub src: AntennaSrc,
-        pub user_list_id: Option<String>,
-        pub user_group_id: Option<String>,
-        pub users: Vec<String>,
-        pub instances: Vec<String>,
-        #[serde(default)]
-        pub case_sensitive: bool,
-        #[serde(default)]
-        pub notify: bool,
-        #[serde(default)]
-        pub with_replies: bool,
-        #[serde(default)]
-        pub with_file: bool,
-        #[serde(default)]
-        pub has_unread_note: bool,
-    }
-
-    #[napi]
-    #[derive(Debug, FromStr, PartialEq, Eq, JsonSchema, ToSchema)]
-    #[serde(rename_all = "camelCase")]
-    #[display(style = "camelCase")]
-    #[display("'{}'")]
-    pub enum AntennaSrc {
-        Home,
-        All,
-        Users,
-        List,
-        Group,
-        Instances,
-    }
-
-    #[napi]
-    impl AntennaSchema {
+        /// For NAPI because [chrono] is not supported.
         #[napi]
-        pub async fn pack_by_id(id: String) -> napi::Result<AntennaSchema> {
-            antenna::Model::pack_by_id(id).await.map_err(Into::into)
+        #[derive(Clone, Debug, PartialEq, Eq, JsonSchema, ToSchema)]
+        #[serde(rename_all = "camelCase")]
+        pub struct NativeAntennaSchema {
+            pub id: String,
+            pub created_at: String,
+            pub name: String,
+            pub keywords: Vec<Vec<String>>,
+            pub exclude_keywords: Vec<Vec<String>>,
+            #[schema(inline)]
+            pub src: NativeAntennaSrc,
+            pub user_list_id: Option<String>,
+            pub user_group_id: Option<String>,
+            pub users: Vec<String>,
+            pub instances: Vec<String>,
+            #[serde(default)]
+            pub case_sensitive: bool,
+            #[serde(default)]
+            pub notify: bool,
+            #[serde(default)]
+            pub with_replies: bool,
+            #[serde(default)]
+            pub with_file: bool,
+            #[serde(default)]
+            pub has_unread_note: bool,
+        }
+
+        #[napi]
+        #[derive(Debug, FromStr, PartialEq, Eq, JsonSchema, ToSchema)]
+        #[serde(rename_all = "camelCase")]
+        #[display(style = "camelCase")]
+        #[display("'{}'")]
+        pub enum NativeAntennaSrc {
+            Home,
+            All,
+            Users,
+            List,
+            Group,
+            Instances,
+        }
+
+        #[napi]
+        impl NativeAntennaSchema {
+            #[napi]
+            pub async fn pack_by_id(id: String) -> napi::Result<NativeAntennaSchema> {
+                antenna::Model::pack_by_id(id).await.map_err(Into::into)
+            }
         }
     }
 }
diff --git a/packages/backend/native-utils/src/util/id.rs b/packages/backend/native-utils/src/util/id.rs
index 98dd63c4e..1d28b80c0 100644
--- a/packages/backend/native-utils/src/util/id.rs
+++ b/packages/backend/native-utils/src/util/id.rs
@@ -1,18 +1,31 @@
 //! ID generation utility based on [cuid2]
 
-use cuid2::CuidConstructor;
+use cfg_if::cfg_if;
 use once_cell::sync::OnceCell;
 
+use crate::impl_into_napi_error;
+
 #[derive(thiserror::Error, Debug, PartialEq, Eq)]
 #[error("ID generator has not been initialized yet")]
 pub struct ErrorUninitialized;
 
-static GENERATOR: OnceCell<CuidConstructor> = OnceCell::new();
+impl_into_napi_error!(ErrorUninitialized);
 
-pub fn init_id(length: u16) {
-    GENERATOR.get_or_init(move || CuidConstructor::new().with_length(length));
+static FINGERPRINT: OnceCell<String> = OnceCell::new();
+static GENERATOR: OnceCell<cuid2::CuidConstructor> = OnceCell::new();
+
+/// Initializes Cuid2 generator. Must be called before any [create_id].
+pub fn init_id(length: u16, fingerprint: impl Into<String>) {
+    FINGERPRINT.get_or_init(move || format!("{}{}", fingerprint.into(), cuid2::create_id()));
+    GENERATOR.get_or_init(move || {
+        cuid2::CuidConstructor::new()
+            .with_length(length)
+            .with_fingerprinter(|| FINGERPRINT.get().unwrap().clone())
+    });
 }
 
+/// Returns Cuid2 with the length specified by [init_id]. Must be called after
+/// [init_id], otherwise returns [ErrorUninitialized].
 pub fn create_id() -> Result<String, ErrorUninitialized> {
     match GENERATOR.get() {
         None => Err(ErrorUninitialized),
@@ -20,6 +33,30 @@ pub fn create_id() -> Result<String, ErrorUninitialized> {
     }
 }
 
+cfg_if! {
+    if #[cfg(feature = "napi")] {
+        use radix_fmt::radix_36;
+        use std::cmp;
+        use napi::bindgen_prelude::BigInt;
+        use napi_derive::napi;
+
+        const TIME_2000: u64 = 946_684_800_000;
+
+        /// Calls [init_id] inside. Must be called before [native_create_id].
+        #[napi]
+        pub fn native_init_id_generator(length: u16, fingerprint: String) {
+            init_id(length, fingerprint);
+        }
+
+        /// Generates
+        #[napi]
+        pub fn native_create_id(date_num: BigInt) -> String {
+            let time = cmp::max(date_num.get_u64().1 - TIME_2000, 0);
+            format!("{:0>8}{}", radix_36(time).to_string(), create_id().unwrap())
+        }
+    }
+}
+
 #[cfg(test)]
 mod unit_test {
     use pretty_assertions::{assert_eq, assert_ne};
@@ -30,7 +67,7 @@ mod unit_test {
     #[test]
     fn can_generate_unique_ids() {
         assert_eq!(id::create_id(), Err(id::ErrorUninitialized));
-        id::init_id(12);
+        id::init_id(12, "");
         assert_eq!(id::create_id().unwrap().len(), 12);
         assert_ne!(id::create_id().unwrap(), id::create_id().unwrap());
         let id1 = thread::spawn(|| id::create_id().unwrap());
diff --git a/packages/backend/native-utils/src/util/random.rs b/packages/backend/native-utils/src/util/random.rs
index 5ee06d128..ffcbca980 100644
--- a/packages/backend/native-utils/src/util/random.rs
+++ b/packages/backend/native-utils/src/util/random.rs
@@ -1,5 +1,6 @@
 use rand::{distributions::Alphanumeric, thread_rng, Rng};
 
+/// Generate random string based on [thread_rng] and [Alphanumeric].
 pub fn gen_string(length: u16) -> String {
     thread_rng()
         .sample_iter(Alphanumeric)
@@ -8,6 +9,12 @@ pub fn gen_string(length: u16) -> String {
         .collect()
 }
 
+#[cfg(feature = "napi")]
+#[napi_derive::napi]
+pub fn native_random_str(length: u16) -> String {
+    gen_string(length)
+}
+
 #[cfg(test)]
 mod unit_test {
     use pretty_assertions::{assert_eq, assert_ne};