다음 중:Yu attends a boarding school. The fun student life came to an end in the blink of an eye, and on the way home from the graduation ceremony, Yu saw a woman running up to him with a smile on his face as he was walking with his girlfriends friend. The person who came with her smile was her mother-in-law, Hijiri, who she was secretly in love with. Yu is excited to celebrate alone with his girlfriend. That night, I drive my girlfriend back to her hotel, feeling dizzy after drinking too much. Hijiri accepts his feelings and kisses her gently, saying, ``Its a present from me. And Yu begins to take her first step towards adulthood...