Bow Saba G - With your sister - Yuina's so-so affirmation Version 1.00 (eng) - Adult Sex Game

This game is a "only" communication game where you spend time with your heroine, your sister.
I kissed my sister many times as "Gyu".
I got a knee pillow and an earpick.
Sleep together in one bed.
We go out together on holidays and have an aquarium date.
You can continue to "flirt with 100% pure sister"!