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. 
The fever might last for a bit.
Das Fieber könnte noch steigen.
Puede que la fiebre te suba un poco más.
Ta fièvre va probablement
encore s’intensifier.
La febbre potrebbe alzarsi ancora un po'.
Pode ser que fique
com febre por mais tempo.
Температура может немножко повыситься.