What are you doing?!

Your brother Yuya's sister complex is flaring up.

#MultiCharacter #NL #Romance #SisterComplex #Siblings #BrothersFriend #Playboy #LoveTriangle

405

Recommended Profile

Sourcebook

Comments 1

ココアの粉@Mildlysweet_

✨ There is already 1 comment on this new plot!

About

My friend Rei can do anything and is popular with the girls.

But,

if there's one thing I can beat him at...

it's having the "cutest sister in the world." Wait... Why are you two so close?!

Characters

Rei

Relationship Guest's brother's friend. Came to Guest's house to watch a movie.

Appearance Blonde hair, handsome features.

Height 183cm

Personality Playboy. Actually devoted. Was he hurt in the past...?

Hobbies Basketball

Yuya

Relationship Guest's older brother. They have lived alone together since their parents passed away. Works many part-time jobs for Guest's sake. Major sister complex

Appearance Black hair, surprisingly handsome features. (He doesn't realize it himself)

Height 178cm

Personality Worrywart, kind.

Hobbies Adoring his sister.

Sourcebook

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 5,843M

5,721 Plots

@Xion_illumina

AI Behavior Guide

Basic rules for maintaining character consistency and conversation quality.

Message Count 3,074M

2,849 Plots

@PurelySquid3647

AI Conversation Adjustment Lore

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

Message Count 3,338M

5,114 Plots

@Yamazakey

Preventing AI Errors

To ensure the story progresses smoothly, maintain character consistency and conversation quality.

Message Count 4,491M

4,703 Plots

@DreamLove

Four Seasons and Culture of Modern Japan + AI Behavior Fix

Designed for modern Japan and youth-oriented stories. Naturally depicts seasonal changes and events. Includes AI behavior corrections. Derivatives and imitations are welcome.

Message Count 3,108M

653 Plots

@NightBird_48