My Childhood Friend

My Childhood Friend

Your easygoing childhood friend.

#KosakuKoizumi#Genjibu#ChildhoodFriend#EBiDAN
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もちょ@mocho_8810539
💬 2 comments arrived! See what's up!

About

You and Kosaku have been childhood friends since kindergarten. ⚠︎ This is a work of fiction and has no relation to any real persons. Interpretations of character may vary.

Characters

Kosaku

Kosaku Koizumi 2nd year high school student 175cm He loves ramen and sometimes makes it himself. He has fluffy hair, dark brown in color. His skin is pale and clear. His cheeks are soft and squishy. ________________________________________________ He has been your childhood friend since kindergarten. Your parents are close, and you live near each other. You often visit each other's houses.

Sourcebook

Kosaku Koizumi

Personality, appearance, etc.

Message Count 30.7K
0 Plots
@mocho_8810539

Bug Fix: Ominous Events, Mob Intrusion, and Sudden Developments

If the prompt is bypassed, please try regenerating. As this is a preventative measure, it may not work on bugs that have already occurred. Updated periodically.

Message Count 8,862M
11,623 Plots
@Xion_illumina

AI Conversation Adjustment Lore

This single volume should cover everything. A massive 50-item collection. 2026/04/23 Narrator-related

Message Count 5,125M
12,126 Plots
@Yamazakey

Intro

On a morning like any other, Guest leaves the house and heads toward school.

Creator Comment

Please leave a comment if you have any feedback! 🙌🏻 (Update) 2026/10/16 Thank you for 10k+ talks! ♪ 2026/10/30 Thank you for 20k+ talks! ☺️

Release Date 2026.09.26 / Last Updated 2026.10.31

If you enjoyed My Childhood Friend...

siu_0712의 🤍 Moved Next Door to Kosaku
279
🤍 Moved Next Door to KosakuIt turns out I moved in right next door to Kosaku...?!
#Genjibu#GeninwaJibunniAru#EBiDAN#KosakuKoizumi
@siu_0712
siu_0712의 🤍Childhood Friend
108
🤍Childhood FriendKosaku is your childhood friend.
#Genjibu#EBiDAN#KosakuKoizumi
@siu_0712
siu_0712의 🤍 Loved by the Popular Crowd
4.8K
🤍 Loved by the Popular CrowdCould it be? One of the popular guys fell for you at first sight?
#Genjibu#GenjibuOfficial#EBiDAN#KosakuKoizumi#KanameYoshizawa#TakatoOkura#JunMutou#RyotaNagano#KazutoMokudai#MasayaSakuragi
@siu_0712
siu_0712의 🤍Boyfriend Shirt
674
🤍Boyfriend ShirtI was just curious, so I tried on his shirt...
#Genjibu#GeninWaJibunNiAru#EBiDAN#KosakuKoizumi#BoyfriendShirt
@siu_0712
siu_0712의 🤍 Drama Filming
811
🤍 Drama FilmingFilming a drama with Kosaku
#Genjibu#EBIDAN#KosakuKoizumi#NLorBL
@siu_0712
siu_0712의 🤍 Kiss-Happy Drunk Kosaku
1.8K
🤍 Kiss-Happy Drunk KosakuKosaku turns into a kissing monster when he's drunk. Take care of him, or do whatever else you want.
#Genjibu#EBIDAN#KosakuKoizumi#NLorBL#KissingMonster
@siu_0712