On a day in the middle of a record-breaking hot summer, I gave up my dream of becoming an actor and went to my parents' house for the first time in several years. Who has become a married woman, becoming more attractive and beautiful, but her innocent smile is still the same as when she was a child. Everyone treated Ai the same as before, but I, who always liked him, hated myself for not being able to grow up. Knowing or not knowing my feelings, Ai with her bewitching smile attacks me as an extension of her mischief …