[Kazuya very gently held the child's hand. Demonic strength far outweighed a human's, and he was prone to forgetting that from time to time. He better be super careful when handling this kid - they were pretty much like glass, right? Tiny and... yeah]

Uh, maybe it'd be better to stick those through a washing machine, if they can even be saved... [He was fairly certain that those clothes deserved to be burned, they looked that caked. Maybe...] It's probably best to buy some new ones, actually. But let's get you cleaned up first. Then we'll worry about your clothes. C'mon.

[If it came to it, he'll let them borrow his shirt until they got a new, clean pair of stuff for themselves. Though, thinking about it, where was this kid's parents? Surely they couldn't be... well, Cerealia had a sick sense of humour, but they wouldn't pluck some young child from their world and dump them here without adult supervision, right?]