Adult PC Game: Tomodachi Sex: Kareshi ni Naisho de Dousei Seikatsu! by Atelier Sakura Archive

Furugoori​ Yukako​ is a girl who goes to a certain school.

She's an honor student and the class president. She has a friend but they are in a long distance relationship.

Due to unexpected circumstances she has to cohabitate with her half-Japanese ch*ldhood friend Tanaka Bob, and eventually they become sex friends.

Her friend doesn't know about it, there's no way she can tell him...

"It's ok! You don't have to tell him!"

Bob's huge cuck makes her moan with pleasure every day.
The daily life of the class president and her sex friend.

Is she really gonna be able to hide it from her friend !?