While Seiya shoots at her father-in-law, her mother joins them and takes the side of her lover. Onizuka and Ayamé arrive in reinforcement and manage to stop the fight. Seiya, extremely disappointed by her mother, decides to remove her from her life. After maintaining their pressure on the teenager, the twins attack Miki so that she gives in to the sirens of revenge. Meanwhile, following a misunderstanding, Uchiyamada pretends to be Onizuka and finds herself having to fight a gang of yakuza...