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. 
No, I'll do them when I'm better.
No es necesario.
Yo lo haré cuando mejore.
Не надо. Выздоровлю и сам займусь.