One day over summer break, Goro and the team run into Katsuhiko, twin brother of Yokonan's Yoshihiko. What does his arrival at the school mean for Goro?
K-Katsuhiko!
K-Katsuhiko!
¡Katsuhiko!
¡Katsuhiko!
Katsuhiko !
K-Katsuhiko!
Кацухико!