When the Hopeless Squad hears a rumour about writing your crush on an eraser, one of the members, Shiori ItÅ, writes her name on Shinya's eraser, but Airi figures her out. On Parent's Day, Marina arrives early and decides to survey the class, overhearing that Miku is jealous that she always pay attention to the weird kids instead of her. On Valentine's Day, Mitsuba tries to make Miku jealous of her homemade chocolate, but it backfires when Miku's pricey chocolates taste delicious...