After the graduation ceremony... a gift from my stepmother to you as an adult.

Akira left her parents' house and lived in a dormitory. The day of the graduation ceremony has come to an end for student life. As I was on my way home with my schoolmate, a woman approached me from across the street with a smile, waving my hands... His stepmother Honoka secretly visited him to celebrate. However, Honoka gets so excited that she says, "Today is a celebration." Akira, who once had secret admiration when she was living together, suppresses her desires that erupt when she was full of gaps and somehow manages to take her to the hotel...