Water

What's the matter, Kumano? Not eating?

But 'ya see, if you don't eat, you're gonna turn out like that, yeah?

But, tomorrow is the physical exam, is it not? They'll be measuring your weight and...

Mega-sized Super-thick Miso-Butter Ramen with Oni-Garlic! Time to eaaaat!

I'm sorry, Mutsu-san... You are the very model of a woman... nom

You'll lose at life without eating!