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?
Katsuhiko, what are you doing here?
Katsuhiko, was tust du hier?
¿Qué haces, Katsuhiko?
¿Qué haces, Katsuhiko?
Qu’est-ce que tu fais, Katsuhiko ?
Katsuhiko, o que está fazendo?
Кацухико, что ты здесь делаешь?