妹とその友人がエロすぎて俺の股間がヤバイ
妹とその友人がエロすぎて俺の股間がヤバイ
Collaboration Works
HentaiRomance
Based on the erotic game by Pachi Pachi Soft. After becoming a mathematics teacher for his sister Miu and his friend Riko, Kanata realizes that he feels more popular than he is at school. Kanata is an expert in mathematics, which makes him feel a dilemma when Riko likes him and also behind his tsun...
