Goodnight Sex Episode 1: The first night I touched my sister's skin!

Incest x sleep rape x pure love! The first animated version of the original brother-sister comic The older brother, Akira, and the younger sister, Yui, were living in a single-parent household because their parents divorced. Akira, a straight-laced and serious man, has been taking care of Yui as a father figure. . One morning, Akira hears from Yui that a male student confessed to him. Akira can't hide his dismay at having seen the only side of him that he doesn't know about. The image of Yui, a cryworm and a spoiled child, was always in Aki's mind. I thought it was my role to stay with her and take care of her little sister. And the time will come when Yui, who has grown up, will leave me.