[ Just wait until Mizuki lets her know there aren't any kitchens. He was devasted when he found out as well... ]

Long enough to know a bit, I suppose. Though, I'm not well acquainted with the ship itself. I mostly just sleep in the pool and play video games...

[ Which isn't too far off from what he does at home. ]

But if you're looking for things to do, there's a library, and a bunch of places to eat food, and... the pool. [ ... Maybe Mizuki doesn't actually know what's around the ship. He feels like those are, like, the only places he's been? Besides the bars. He's not taking Gummy to the bars. ] ... You could always play video games with me, though.