Arm Wrestling / Grown-Up / Bitter Taste / Bicycle.Arm Wrestling: As a result of his push-up routine, Nishikata easily defeats his friends in arm wrestling. Takagi challenges him to a match, during which she lowers his guard by feigning weakness and joking about them holding hands.
Grown-Up: Staring out her classroom window, Mina philosophizes about how short youth can be. When she starts comparing it to expiration dates on food, Yukari and Sanae point out her thinking does not make her as grown up as she believes, but retract their statements when she starts to cry.
Bitter Taste: Due to his loss in arm wrestling, Nishikata buys juice for Takagi. Remembering a conversation he had with his friends about maturity, he buys coffee for himself, but struggles with its strong flavor...
Bicycle: Nishikata encounters Takagi walking to school without her bike, to which she asks him to figure out why. He remembers she had complained about its brakes not working the previous day, but figures it is too easy of an answer. As they take an alternate route that involves going up stairs and playing hopscotch, both of which can not be done with a bicycle, they encounter stray cats...