A school hostage incident on a Sunday!? With the expulsion commotion settled, Shizuka (Hirose Alice) was supposed to have a peaceful Sunday... but Seira's (Okazaki Sae) ex-boyfriend barricades himself in the school toilets! Oguchi (Noro Kayo) and Shinjo (Kote Shinya) have a major breakup discussion! Nishihata Rui (Hayashi Yuta), a student who came to take supplementary lessons, skips class saying he "doesn't feel like it"... Troubles occur one after another! Shizuka's anger reaches a peak! Meanwhile, Kyoko (Kimura Yoshino) goes to see Aika (Shida Mirai), who holds a grudge against Shizuka... Will Shizuka be able to get her peaceful Sunday back?