The students move into their dorms on the second day of attending U.A high-school. A hero academy to train there powers. Girls and boys dorms are separated with each room hosting two roommates. Jirou is accidentally placed in the male wing with her new roomie, Denki kaminari. This delves deeper into the characters and their own lives, pasts and brings up how they deal with themselves on their personal time! Basically if UA was more realistic.