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?
Yoshihiko's my twin brother.
Yoshihiko ist mein Zwillingsbruder.
Yoshihiko es mi hermano gemelo.
Yoshihiko es mi hermano gemelo.
Yoshihiko est mon frère jumeau.
O Yoshihiko é meu irmão gêmeo.
Брат-близнец Ёсихико.