On the second day of the girls' class trip, a girl named izumi confesses that she is in love with a man named "Akira Akira Okochi" , but she is rejected by him because she is "not timid and good" . The girl's friend, a teacher named "San," tells the girls that he is the expert on "magic" and that he holds "exclusive rights" to any future interviews with them. He tells them that he has decided to give back all of the "incriminatory photos" he has taken of the girl. The girls agree to play a game to determine who is the "best" of them. The teacher tells them to report their two best friends to him by ten o'clock the next morning.