Mahiru-san.

[He gives a bow in return-- a gesture he too is quite familiar with, it seems.]

Yes, it's easy for me to forget that others aren't as familiar with the concept of multiple worlds as I am. My world is... rather unique in that sense, I suppose.

[Even before the whole Murder Tower experience, meeting someone from another world was just a Tuesday for him.]

I imagine it must be quite jarring to be the one on the other end of such a situation.