[It sounds like he's expected to remember this person, but he doesn't recognize the voice at all. On top of that, calling him out like that makes him really wonder if this is home and crazy things happened over night.
No, that's not possible...]
Y-yes? [He can't say 'who is this' because it would be rude, right?]
no subject
No, that's not possible...]
Y-yes? [He can't say 'who is this' because it would be rude, right?]