Gakuto is keeping his class observation day from Hayato by using a stand-in. 
Teacher, I finished the questions!
Ah, Sensei! Ich hab die Aufgaben gelöst!
Oh, profe, ya resolví los problemas.
Monsieur ! J’ai fini tous les exos !
Prof, ho fatto tutti i problemi!
Sensei! Terminei de responder!
О, учитель! Я всё решил!