Mukunoki encounters Mitsuhashi's father and they share a secret. They make Mitsuhashi obey anything and completely change Mitsuhashi's behavior towards Mukunoki. Meanwhile, chicken-hearted Sakamoto who's jealous of Mukunoki gains a bodyguard. Will the entire school get in trouble?!
Mitsuhashi is fed up with Imai who won't give up on Riko and waits for him in a restroom at a park. The fierce battle between Mitsuhashi and Imai starts here. It's a bit different than a battle with fists. Will this be a real life-and-death battle?