Sleepy sister's friend

Sleepy sister's friend is a single player simulation game. It was developed by Uzura Studio and was released on May 29, 2025.

Sleepy sister's friend is a naughty touching game. The player, a brother, starts touching his sister's friend while her friend is sleeping. The game is easy to clear so that you can immerse yourself in touching, but you need to play so that your sister's friend does not wake up. Saving is automatic, and there is no penalty for game over, so you can immerse yourself in the game without fear of f…