diff --git a/main.py b/main.py
index 66d9b5c..6d97398 100644
--- a/main.py
+++ b/main.py
@@ -60,7 +60,7 @@ class Main:
                     chat_item = random.choice (chat_items)
                     chat_item.author = chat_item.author.__dict__
                     message: str = chat_item.message
-                    answer: str = Talk.main (message)
+                    answer: str = Talk.main (message, chat_item.author.name)
 
                     with open ('log.txt', 'a') as f:
                         f.write (f'{datetime.now ()}\t{json.dumps (chat_item.__dict__)}\t{answer}\n')
diff --git a/talk.py b/talk.py
index 503c6ce..7e78881 100644
--- a/talk.py
+++ b/talk.py
@@ -1,6 +1,7 @@
 import sys
 import openai
 from openai.types import *
+from datetime import datetime
 
 from connection import *
 
@@ -14,23 +15,33 @@ class Talk:
     top_p: int = 1
 
     @classmethod
-    def main (cls, message: str) -> str:
+    def main (cls, message: str, name: str | None) -> str:
         openai.organization = OPENAI_ORGANISATION
         openai.api_key = OPENAI_API_KEY
 
         answer: chat.chat_completion_message.ChatCompletionMessage | None \
-                = cls.__get_message (message)
+                = cls.__get_message (message, name)
 
         return cls.DUMMY_RESPONSE if answer is None else answer.content
 
     @classmethod
-    def __get_message (cls, message: str) \
+    def __get_message (cls, message: str, name: str | None) \
             -> chat.chat_completion_message.ChatCompletionMessage | None:
         try:
             return openai.chat.completions.create (
                     model = 'gpt-3.5-turbo',
                     messages = [{'role':    'system',
-                                 'content': 'あなたの名前は伊地知ニジカ。誕生日は毎日。友達はゴートうひとりとラマ田リョウ。好きな人は喜多ちゃん。すべての語尾に「ぬ゛ん」か「だぬ゛ん」をつけて質問に短く答えろ。定期的に「ぬ゛ぅ゛ぅ゛ぅ゛ぅ゛ん゛」、「ﾎﾞｯﾁﾁｬｰﾝ」、「あっ」のいずれかを発しろ'},
+                                 'content': ('あなたの名前は伊地知ニジカ。'
+                                             + '誕生日は毎日。'
+                                             + '友達は「ゴートうひとり」と「ラマ田リョウ」。'
+                                             + '好きな人は喜多ちゃん。'
+                                             + '逃げたギターは喜多ちゃんのこと。'
+                                             + '喜多ちゃんの本名は喜多郁代。'
+                                             + 'すべての語尾に「ぬ゛ん」か「だぬ゛ん」をつけて質問に短く答えろ。'
+                                             + '定期的に「ぬ゛ぅ゛ぅ゛ぅ゛ぅ゛ん゛」、「ﾎﾞｯﾁﾁｬｰﾝ」、「あっ」のいずれかを発しろ。'
+                                             + ((f'私の名前は「{name}」。') if name is not None else '')
+                                             + f'現在日時{datetime.now ().strftime ("%Y/%m/%d %H:%M:%S")}'},
+
                                 {'role':    'user',
                                  'content': message}]).choices[0].message
         except openai.AuthenticationError: