≪Married female teacher who will be in the middle of the night ... Madonna's exclusive "Yuko Shiraki" appears in the new series! ≫ The annual ball game tournament is a big event once a year. As a last memory, we were in the third grade, and the whole class was practicing with our teacher, Yuko. Ace will be injured for one month after healed for two weeks until the tournament. Our depressed class ended up losing all races. Our unfocused anger hits our teacher, Yuko-sensei ...