Hinata married her childhood friend, Ogaki Itsuki, and was living a happy life. However, she had a past that she couldn't tell her husband about. Hinata decided to attend a reunion to settle that past once and for all. She enjoyed reuniting with her old friends, but her eyes were drawn to the figure of Sawaki, her teacher. He was a popular teacher who listened to his students and was always there for them. However, to Hinata , he was the one who took her virginity and taught her many things. She wanted him to apologize for that, but when she faced him, she couldn't find the words to say it. In fact, memories of her past with him began to resurface, causing her body to tingle.