Hayato catches a cold. Mikoto, Minato, and Gakuto are eager to care for Hayato and handle the household chores. Even when they run into the Kirishima family on their way to a trip, they keep Hayato's condition a secret, not wanting to worry them before their vacation. 
A first grader with very mature interests.
Sehr schlicht für einen Erstklässler.
On rappelle qu’il est en CP.
Interessi molto maturi
per uno studente di prima elementare.
Um estudante do primário
com gosto maduro.
Пылкий первоклассник!