Well, when someone visits someone else's home, typically their looking for someone.

[ Not that this is actually Seimei's home, but he's perfectly happy to claim as much to the stranger. He doesn't have a good reason. He's just bored. But Seimei bends down to the lump under the covers and pokes it. ]

This is the first time someone has come in without a present or even a greeting. I thought you might be lost and looking for someone specific, but you're really a fearless guy, aren't you? What if you ended eaten up?