[Wow, when was the last time someone grabbed his head like this? It's nostalgic, but also, it makes Hiiro let go of him to flail a little, before he grabs Atsumu's wrist. Gentle, non-threatening, simply holding it so he can take a step back and duck a little, as though that would make it easier for Atsumu to see him.]

Umu. I apologize. I have been lost for a long time and thought I was going to die here, but luckily, you came along. Since no one was responding to my calls, I thought I arrived at a deserted part of the city.

[He says all this with that same cheerful smile, looking pleased at the development.]