Takuya is going to be 30 years old soon.... However, he has never had sex.... One day, he knows that the classroom teacher of his younger sister, Miu, is an older sister of Manabu, his online friend. Also, he knows that Manabu likes Miu, who works as a fashion model. Takuya says to Manabu, "Shall we swap our sisters and have sex...?"

[From ErogeShop]