Akira left his parents' home and started living in a dormitory. His student life came to an end on the day of his graduation ceremony. As he was heading home with his classmates, a woman approached him from across the street, smiling and waving... It was his stepmother, Honoka, who had come to secretly celebrate with him. However, Honoka was so happy that she got drunk that she said, "Today is the day to celebrate." Akira, who had secretly admired her when they lived together, suppressed the desire that bubbled up inside him at the sight of her vulnerable side, and somehow took her to the hotel...