diff --git a/src/modules/internal/controllers/bulkInsertAnime.controller.ts b/src/modules/internal/controllers/bulkInsertAnime.controller.ts
deleted file mode 100644
index 6b06b0a..0000000
--- a/src/modules/internal/controllers/bulkInsertAnime.controller.ts
+++ /dev/null
@@ -1,21 +0,0 @@
-import { Context } from "elysia";
-import { mainErrorHandler } from "../../../helpers/error/handler";
-import { bulkInsertAnimeService } from "../services/http/bulkInsertAnime.service";
-import { returnWriteResponse } from "../../../helpers/callback/httpResponse";
-import { bulkInsertCharWithVAService } from "../services/internal/bulkInsertCharWithVA.service";
-
-export const bulkInsertAnimeController = async (
-  ctx: Context & { body: { mal_id: number } },
-) => {
-  try {
-    const bulkInsertResult = await bulkInsertAnimeService(ctx.body.mal_id);
-    return returnWriteResponse(
-      ctx.set,
-      201,
-      "Bulk insert anime operation completed successfully",
-      bulkInsertResult,
-    );
-  } catch (error) {
-    return mainErrorHandler(ctx.set, error);
-  }
-};
diff --git a/src/modules/internal/controllers/bulkInsertEpisode.controller.ts b/src/modules/internal/controllers/bulkInsertEpisode.controller.ts
index c6bc1ab..6d450dd 100644
--- a/src/modules/internal/controllers/bulkInsertEpisode.controller.ts
+++ b/src/modules/internal/controllers/bulkInsertEpisode.controller.ts
@@ -3,7 +3,46 @@ import { mainErrorHandler } from "../../../helpers/error/handler";
 import { bulkInsertEpisodeService } from "../services/http/bulkInsertEpisode.service";
 import { returnWriteResponse } from "../../../helpers/callback/httpResponse";
 
-// add pagination query
+/**
+ * @function bulkInsertMediaController
+ * @description Perform bulk insert of episodes for a specific media. This operation fetches episode data from external sources and inserts them into the database. The page parameter is optional; if not provided, the first page of episodes will be fetched.
+ *
+ * @param {Context & { body: { media_mal_id: number }; query: { page?: number } }} ctx
+ * The context object containing the request body.
+ * The body must include:
+ * - media_mal_id: number - The MyAnimeList ID of the media for which episodes will be inserted.
+ * The query may include:
+ * - page?: number - (Optional) The page number of episodes to fetch and insert. If not provided, defaults to the first page.
+ *
+ * @example
+ * Request route: POST /internal/episode/bulk-insert
+ * Request body:
+ * {
+ *   "media_mal_id": 12345
+ * }
+ * Query parameter:
+ * ?page=2 (Optional, specifies the page number of episodes to fetch and insert)
+ *
+ * @returns {Promise<Object>}
+ * A response object indicating success or failure.
+ * Return example:
+ * {
+ *   success: true,
+ *   status: 201,
+ *   message: "Bulk insert episode operation completed successfully",
+ *   data: { ...bulkInsertResult } // Data returned only if the env run on development mode
+ * }
+ *
+ * @throws {Object}
+ * An error response object if validation fails or an error occurs during bulk insert operation.
+ * Return example:
+ * {
+ *   success: false,
+ *   status: <Status Code>,
+ *   message: "<Error Message>",
+ *   error: { ...errorDetails } // Additional error details if available and the env run on development mode
+ * }
+ */
 export const bulkInsertEpisodeController = async (
   ctx: Context & { body: { media_mal_id: number }; query: { page?: number } },
 ) => {
@@ -15,7 +54,7 @@ export const bulkInsertEpisodeController = async (
     return returnWriteResponse(
       ctx.set,
       201,
-      "Success bulk insert for episode",
+      "Bulk insert episode operation completed successfully",
       bulkInsertResult,
     );
   } catch (err) {
diff --git a/src/modules/internal/controllers/bulkInsertMedia.controller.ts b/src/modules/internal/controllers/bulkInsertMedia.controller.ts
new file mode 100644
index 0000000..f27998b
--- /dev/null
+++ b/src/modules/internal/controllers/bulkInsertMedia.controller.ts
@@ -0,0 +1,56 @@
+import { Context } from "elysia";
+import { mainErrorHandler } from "../../../helpers/error/handler";
+import { bulkInsertAnimeService } from "../services/http/bulkInsertAnime.service";
+import { returnWriteResponse } from "../../../helpers/callback/httpResponse";
+
+/**
+ * @function bulkInsertMediaController
+ * @description Insert new anime to the database only with mal_id. This operation including inserting related data such as genres, studios, producers, licensors, themes, demographics, and relations.
+ *
+ * @param {Context & { body: { mal_id: number } }} ctx
+ * The context object containing the request body.
+ * The body must include:
+ * - mal_id: number - The MyAnimeList ID of the anime to be inserted.
+ *
+ * @example
+ * Request route: POST /internal/anime/bulk-insert
+ * Request body:
+ * {
+ *   "mal_id": 12345
+ * }
+ *
+ * @returns {Promise<Object>}
+ * A response object indicating success or failure.
+ * Return example:
+ * {
+ *   success: true,
+ *   status: 201,
+ *   message: "Bulk insert anime operation completed successfully",
+ *   data: { ...bulkInsertResult } // Data returned only if the env run on development mode
+ * }
+ *
+ * @throws {Object}
+ * An error response object if validation fails or an error occurs during bulk insert operation.
+ * Return example:
+ * {
+ *   success: false,
+ *   status: <Status Code>,
+ *   message: "<Error Message>",
+ *   error: { ...errorDetails } // Additional error details if available and the env run on development mode
+ * }
+ */
+export const bulkInsertMediaController = async (
+  ctx: Context & { body: { mal_id: number } },
+) => {
+  try {
+    const bulkInsertResult = await bulkInsertAnimeService(ctx.body.mal_id);
+    return returnWriteResponse(
+      ctx.set,
+      201,
+      "Bulk insert anime operation completed successfully",
+      bulkInsertResult,
+    );
+  } catch (error) {
+    return mainErrorHandler(ctx.set, error);
+  }
+};
diff --git a/src/modules/internal/index.ts b/src/modules/internal/index.ts
index e7838c8..b7321b5 100644
--- a/src/modules/internal/index.ts
+++ b/src/modules/internal/index.ts
@@ -1,7 +1,7 @@
 import Elysia from "elysia";
-import { bulkInsertAnimeController } from "./controllers/bulkInsertAnime.controller";
 import { bulkInsertEpisodeController } from "./controllers/bulkInsertEpisode.controller";
+import { bulkInsertMediaController } from "./controllers/bulkInsertMedia.controller";
 
 export const internalModule = new Elysia({ prefix: "/internal" })
-  .post("/media/bulk-insert", bulkInsertAnimeController)
+  .post("/media/bulk-insert", bulkInsertMediaController)
   .post("/episode/bulk-insert", bulkInsertEpisodeController);