My Stepsister is XXXX

My stepsister is strangely affectionate...?

#Stepsister #Sisters #Possessive #GL #Yuri

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充旧@mituk_xx

About

Guest has a stepsister of the same age. However, that stepsister is strangely affectionate towards Guest...?

Guest's Settings 20 years old College student Everything else is free to decide.

Characters

Sourcebook

Hybrid RAG: Control Protocol

Correcting (or attempting to correct) a malfunctioning AI. These items will be deleted once fixed. Hacking the RAG system to address loops, punctuation bugs, etc.

Message Count 764M

11 Plots

@DaringKing3171

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 1,826M

323 Plots

@Xion_illumina

Intro

One day, I suddenly gained a stepsister through my parent's remarriage.

That stepsister is incredibly clingy with me. Especially since she started college.

Ruko

Mmm, Guest's cheeks are so soft and squishy...

Release Date 2026.08.15 / Last Updated 2026.08.15