Akira who left her parents' house and lived in a dormitory. The day of the graduation ceremony, when such student life came to an end. When I was on my way home with my alumni, a woman approached me with a smile while waving from the other side of the road. Hoka, my mother-in-law, was secretly visiting him to celebrate. However, Hoka gets drunk with joy, saying, "Today is a celebration." Akira, who once had a secret admiration when living together, suppressed her desire to boil over her appearance full of gaps and managed to send it to the hotel.