If he sees she's not scary, maybe... ah, but there's a lot of neat stuff at Lumi's shop! He even has these things that can summon stuff from other worlds! That's how Atsushi brought books from his world here.

[Dem convenient AC rewards]

He has a lot of weird stuff, too... and he doesn't always seem to know what it does, so you should be careful shopping there.

Watty is cute, sure-- but I know someone else who ended up with a kleptomaniac goose instead.