Yuu's student life living alone in a dormitory is over, and he will soon be embarking on a new journey. And on the day of her graduation ceremony, her stepmother Haruka, who she was secretly in love with, came running across the street with a smile on her face. They spend their graduation celebration together, but she is so happy with his growth that Haruka, who is defenseless of her, ends up getting drunk. Yu desperately tries to rid her of her evil heart and sends her to her hotel. However, Haruka was aware of his feelings and kissed him gently, saying, ``This is my present to you now that you're an adult.''