In the minutes leading up to the New Year, Mitsuba occupies the toilet, leaving Hitoha and Futaba desperate after eating some bad oranges. As revenge, Hitoha decides to shut her in, leading her to get stuck in the window when she tries to escape. On Valentine's Day, Soujirou becomes furious that one of the girls is giving someone chocolate and swears revenge on whoever's receiving it. When he impulsively enters the school for that reason, he ends up meeting Shinya who has his own Valentine's woes and helps him to evade the Hopeless Squad...