After Your Graduation Ceremony...A Gift From Your Stepmom To The Adult Whom You Have Become. Honoka Yonekura.

Akira had been living away from home in a dormitory. On graduation day, as his student life comes to an end, he's walking home with a classmate when he sees a woman waving and smiling as she approaches from down the street... It's his stepmother Honoka, who has secretly come to celebrate with him. But she gets drunk from happiness, saying 'Today's a celebration!' and passes out. Akira, who had secretly harbored a crush on her when they lived together, struggles to suppress the desire welling up inside him at the sight of her vulnerable state, and somehow manages to get her to a hotel...