Gakuto is keeping his class observation day from Hayato by using a stand-in. 
I'm Gakuto's big brother, too.
Ich bin ebenfalls Gakutos großer Bruder.
Yo también soy hermano mayor de Gakuto.
Moi aussi,
je suis le grand frère de Gakuto.
Gakuto è anche mio fratello.
Eu também sou o maninho do Gakuto.
Я ведь тоже старший брат Гакуто.