Plot Summary

On a heavy rainy day, when I went to visit her house, which was finally made by me as a virgin, I encountered an older sister with a transparent shirt and full view of her boobs! A style like a gravure model that is the exact opposite of her ... Then her sister shows her breasts and seduces me! ?? I couldn't stand being shown such a good body, so it was very easy to betray her and lose her virginity ...