Three years since leaving his parents. Yu enrolled in a dormitory school to sever his feelings for his stepmother, Yuka. However, on the day of his graduation ceremony, seeing her smiling and running towards him, he felt the emotions hidden deep within his heart resurface. That night, after celebrating alone together, Yu sent Yuka back to her lodging as she was drunk. Noticing Yu's feelings, Yuka softly said, 'This is a graduation gift from your stepmother,' and pressed her lips against his. Guided by his stepmother, he took another step towards adulthood.
