Keita lives alone, away from his family. One day, he receives a phone call from his mother, Yukine, after a long time. "Tomorrow... Dad will be out of town on business, so why don't you come over to play?" Keita immediately understands his mother's intentions. (Mom wants to have sex with me!!) Then, returning home after several years... As soon as Keita opens the front door, he is intimate with Yukine. Yukine reaches climax multiple times from the long-awaited sex. Of course, today won't end just with this sex...
