A 20 -year -old male college student.Yua was the first time she wanted to abandon her virgin.At that time, she is invited to her house.This is a chance to graduate from a virgin!!If you think so, you will be introduced while living with your sister.When I gave up and gave up, I gave up and met her sister, Mayu, who was more beautiful, beautiful, bigger than her."Taichi -kun, you're a virgin?
