On a record-breaking hot summer day, I gave up on my dream of becoming an actor and returned to my parents' house for the first time in years. I met my childhood friend Ai for the first time in years. Ai is now a married woman, and has become more beautiful and sexy, but her innocent smile remains the same as when she was a child. She treats me the same as she did back then, but I've always had feelings for her and I'm disgusted with myself for not being able to fully grow up. Whether she knows my feelings or not, Ai, with a seductive smile on her face, attacks me as an extension of her prank...