◇ Main story synopsis
My brother came home early from school before the test.
To my sister who came back from play
I’m invited to play, but I decline because I’m busy.
However, the cheeky younger sister discovers the naughty book that her brother has hidden.
I threaten to tell my mom and start playing with this book.
In this way, the older brother ends up in an unhealthy relationship with his younger sister…
■Resolution
1200px*1920px
■File format
Bonus CG collection (PNG)
Main story & thumbnail (JPG)
■Quantity
30 main pages (with dialogue)
130 bonus CG sheets (no dialogue)
1 package image
*Produced using AI (Stable Diffusion).
*Although we have made corrections, please note that some parts may be broken or unnatural.
*All models that appear depict fictional people (18 years or older) in a fictional world.
*Use for commercial purposes, transfer to third parties, and reproduction are not permitted.