[kira-sama]

just want to ask which concerned me on episode 3

Spoiler for question about episode 3:

on episode 3 the main character was Hiroki which Takahiro childhood friend
but at the beginning of episode 3
that Hiroki make.... with someone where that man said "Takahiro" to Hiroki
i want to ask is who is that man who make... with Hiroki?