While channel surfing, Kügen gets curious about what happens in school. She then gets TÅru to take her and Kö to Noboru's high school. Meanwhile Noboru is unable to stop worrying about leaving only Kügen and Kö at home. His preoccupation causes him to lose a badminton game and prevents him from noticing that his classmate, Sakura, has already asked him out on a date. Kügen then arrives in school and starts participating in the different club's activities...