It's fine, don't worry! It would be rude to leave a guest standing outside, after all.

[He doesn't hesitate on that at least, and the door is opened up soon enough, Horikawa holding it as such until he can wait for Koumei to pass on through. Though, his introduction feels a little later than it probably ought to have been.]

Excuse me, I'm Horikawa Kunihiro! We're... currently comrades, I suppose.