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?
Wh-Who did that?!
W-Wer war das?!
¿Quién fue?
¿Quién ha sido?
Qui a fait ça ?
Q-Quem fez isso?!
Кто это сделал?!