Akira has left his parents' home and is living in a dormitory. - On the day of the graduation ceremony, that student life came to an end. - As I was on my way home with my schoolmates, a woman approached from across the street, waving and smiling. - Surprisingly, his mother-in-law Honoka secretly came to celebrate with him. - However, Honoka is overcome with joy and says, ``Today is a celebration.'' - Akira, who once had a secret admiration for her when they lived together, suppresses the desire that bubbles up at the sight of her, and manages to take her to the hotel...