He's a human man, apparently in his twenties, with a prosthetic (and visibly so) right arm. And he was quite concerned at her, even though she's a stranger, because well, walking through portals isn't always safe.

"No, we haven't met. I've arrived here a month and a half ago, with two others, a friend and an ally. On accident, and, well, I'm also on vacation. I think."

Why is that so strange? Being on vacation? Of course it's strange, during the war.

But maybe not every strange is bad. Right?

He offers her a smile, and his hand, for a handshake or whatever.

"I'm Shiro. Pleased to meet you, Tielle."

Tielle's fangs may him wonder if she's quite as human girl as she looks, but well, that doesn't change anything.

"This place is so mysterious, I don't think anyone knows of it before first visit."