This is Shirayuri Gakuen Judo Club. Saya Murai and Hansuke Yamashita are peeking through a hole in the wall as Haruka takes a shower after practice. The two walk away, calling each other Haruka's name. Haruka is an innocent person, but once she puts on her uniform, there is no rival to her. Kasumi Ayanokoji, the daughter of the president of Shirayuri Academy, who is Haruka's biggest rival, has transferred to her school. Kasumi accepts her coach, Yano, on condition of her body, and she requests Yano to injure Haruka to the point that Haruka will not be able to participate in the national tournament representative deciding match, and Yano reluctantly agrees...