It's been three years since I left my parents' house, and my long student life has come to an end in the blink of an eye, and the graduation ceremony is finally here. On the way home a little lonely without my parents, I came from the other side with a smile ... It was my mother-in-law, Yumi. - Yu couldn't hide her joy at the visit of her mother-in-law, who was secretly conscious of being a woman. Yumi, who was only too excited about the graduation celebration of the two of them, arrives at the inn with his care. - And he receives a gift from his longing mother-in-law to celebrate his departure, and he becomes an adult again.