diff --git a/nizika_ai b/nizika_ai
index 8e1d305..662b7d6 160000
--- a/nizika_ai
+++ b/nizika_ai
@@ -1 +1 @@
-Subproject commit 8e1d305b4ab1346ef2d2faf6eacda440674b06e8
+Subproject commit 662b7d69de66bb8c09f8297817449179166c0f3d
diff --git a/test.py b/test.py
index 28136a9..302b0d9 100644
--- a/test.py
+++ b/test.py
@@ -1,6 +1,7 @@
 from __future__ import annotations
 
 import math
+import os
 import random
 import sys
 from datetime import datetime, timedelta
@@ -13,6 +14,7 @@ import ephem  # type: ignore
 import pygame
 import pygame.gfxdraw
 import pytchat  # type: ignore
+import requests
 from cv2 import VideoCapture
 from ephem import Moon, Observer, Sun  # type: ignore
 from pygame import Rect, Surface
@@ -24,7 +26,7 @@ from pytchat.processors.default.processor import Chat  # type: ignore
 
 from common_module import CommonModule
 from nizika_ai.models import Answer, AnsweredFlag, Query, User
-from nizika_ai.consts import Platform
+from nizika_ai.consts import AnswerType, Character, GPTModel, Platform, QueryType
 
 pygame.init ()
 
@@ -46,7 +48,7 @@ def main (
     Deerjika (game, DeerjikaPattern.RELAXED, x = CWindow.WIDTH * 3 / 4, y = CWindow.HEIGHT - 120)
     balloon = Balloon (game)
     CurrentTime (game, SYSTEM_FONT)
-    broadcast = Broadcast ()
+    broadcast = Broadcast (os.environ['BROADCAST_CODE'])
     try:
         Sound ('assets/bgm.mp3').play (loops = -1)
     except Exception:
@@ -56,14 +58,17 @@ def main (
             if event.type == pygame.QUIT:
                 pygame.quit ()
                 sys.exit ()
-        chat = broadcast.fetch_chat ()
-        if chat is not None:
-            chat.message = emoji.emojize (chat.message)
-            message: str = chat.message
-            user = (User.where ('platform', Platform.YOUTUBE.value)
-                        .where ('code', chat.author.channelId)
-                        .get ())
-            # chat.author
+        answer_flags = (AnsweredFlag.where ('platform', Platform.YOUTUBE.value)
+                                    .where ('answered', False)
+                                    .get ())
+        if not balloon.enabled:
+            if answer_flags:
+                answer_id: int = random.choice (answer_flags).answer_id
+                answer = Answer.find (answer_id)
+                if answer.answer_type == AnswerType.YOUTUBE_REPLY.value:
+                    query = Query.find (answer.query_id)
+                    balloon.talk (query.content, answer.content)
+            add_query (broadcast)
         game.redraw ()
 
 
@@ -666,8 +671,9 @@ class Broadcast:
 
     def __init__ (
             self,
+            broadcast_code,
     ):
-        self.chat = pytchat.create (os.environ['BROADCAST_CODE'])
+        self.chat = pytchat.create (broadcast_code)
 
     def fetch_chat (
             self,
@@ -684,5 +690,42 @@ class Log:
     ...
 
 
+def fetch_bytes_from_url (
+        url:    str,
+) -> bytes | None:
+    res = requests.get (url, timeout = 60)
+    if res.status_code != 200:
+        return None
+    return res.content
+
+
+def add_query (
+        broadcast:  Broadcast,
+) -> None:
+    chat = broadcast.fetch_chat ()
+    if chat is None:
+        return
+    chat.message = emoji.emojize (chat.message)
+    message: str = chat.message
+    user = (User.where ('platform', Platform.YOUTUBE.value)
+                .where ('code', chat.author.channelId)
+                .first ())
+    if user is None:
+        user = User ()
+        user.platform = Platform.YOUTUBE.value
+        user.code = chat.author.channelId
+    user.name = chat.author.name
+    user.icon = fetch_bytes_from_url (chat.author.imageUrl)
+    user.save ()
+    query = Query ()
+    query.user_id = user.id
+    query.target_character = Character.DEERJIKA.value
+    query.content = chat.message
+    query.query_type = QueryType.YOUTUBE_COMMENT.value
+    query.model = GPTModel.GPT3_TURBO.value
+    query.sent_at = datetime.now ()
+    query.answerd = False
+    query.save ()
+
 if __name__ == '__main__':
     main ()