The episode starts with a flashback between Yuuji and Shouko (Class A's representative) talking about the reforms and a way to remember them. After that Akihisa accidentally pastes his hand to his desk with super glue and he is unable to remove it. During that class F is called by Class A and they are amazed to see their installments and the luxury their living. They encounter Yuuko (Hideyoshi's twin sister) who tells them that is insult that class F exists everyone gets mad except Yuuji who keeps calm. He then declares war to class A but the battle must be one-on-one, Yuuko declines but then Shouko accepts the challenge if the opposing team make a wish come true to the winning team and then she looks at Mizuki making Akihisa think that Shouko wants Mizuki for sexual purposes but Yuuko insists on five-to-five battle. Yuuji accepts but in exchange class F's participants can choose three of the 5 themes. Yuuji tells then that he has an startegy to defeat Shouko because the date in which the reforms took was wrong so he takes advantage of it. The battle finally starts. Class F's participants are Akihisa, Minami, Mizuki, Kouta, and Yuuji while Class A's participants are Shouko, Yuuko, Kubo, Aiko and one more girl. Hideyoshi is also present but he's put as the quadrilateral girl. The first battle is Minami Vs Yuuko were Yuuko easily wins. Akihisa is next but he doubts of fightning Yuuji then tricks him saying he is the strongest in their group...with that lie he fight but he is defeatly in a flash making him angry at Yuuji. The next fight is Aiko vs Kouta. Kouta asks for a health theme but discovers Aiko is pretty good on health in the "practical way" making Kouta nosebleed...Akihisa curses Aiko but then she says he needs to relax and that she will help him...in the "practical way" making him and Kouta nosebleed then Minai and Mizuki take Akihisa apart from Aiko saying he doesn't need that knowledge but in the end Kouta won his battle. Kubo and Mizuki's fight is next whe
Clase A llama a la clase F, y no hay mala sangre en el pasado entre los miembros de los grupos. Shōko Kirishima , el representante de la clase A, las demandas que la clase haría perder una sola cosa para la clase ganadora, a la que Yuji está de acuerdo. Sin embargo, antes de que ella expresa su demanda, ella se mueve más cerca de Mizuki.
全學年成績最好的A班對F班宣戰，才色兼備的A班班長霧島翔子提出的條件是「敗者要完全聽從勝者」。這場戰爭采5對5的方式，F班的戰鬥成員為雄二、明久、土屋康太、島田美波以及瑞希負責抗戰！但是，由於與A班的實力差距過於懸殊，讓他們陷入極度的苦戰。即使如此，雄二早已擬定好某個「秘招」…。
Dopo la richiesta di sfida ricevuta, la classe F si reca nella classe A per negoziare il tipo di sfida tra classi. Alla fine viene decisa una battaglia cinque contro cinque, con il capoclasse perdente che dovrà soddisfare una richiesta della classe vincitrice.
