An evil man named Dolf kidnaps the King Albert and pursues his daughter, seeking two wooden cubes that will allow him to take over the kingdom. However, he randomly dies after tripping over, allowing the princess to regain control of his minions. One of the minions finds both the cubes, but accidentally knocks them out the blimp window, where it's revealed to be Yūko's dream concerning how Mio got her hairbands. Back in reality, Manabu Takasaki becomes conflicted between his feelings for Sakurai and his duty as a teacher. Meanwhile, Yoshino encounters Nano and has fun teasing her. Later, the Professor, Nano and Sakamoto play baseball but have no idea how to play it.