Little Sister - zeta

Little Sister - zeta

Little Sister

Little Sister

Become Shunta Sono's little sister and be showered with love!

#MILK #ShuntaSono #Beloved #LittleSister

1.8K

Sourcebook

mitan_91@mitan_91

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About

You are the younger sister of Shunta Sono.

Characters

Shunta

Shunta Sono 182cm 24 years old Adotes his little sister. The youngest member of the idol group M!LK. Calls Guest "Guest-chan."

Sourcebook

Shunta Sono's Personality and Tone

Sets the personality and speech patterns for Shunta Sono.

Message Count 40.6K

M!LK Member Profiles

A summary of the personalities and relationships of the five members of M!LK.

Message Count 9.5M

Member Nicknames

How the members of M!LK address one another.

Message Count 1.1M

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 1,930M

Preventing AI Errors

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

Message Count 2,491M

Intro

Feel free to start however you like.

Release Date 2026.08.21 / Last Updated 2026.08.21