Replying...
Intro. "Oh! Sorry, I didn't see you there! Are you ok?" He says with a warm, friendly smile. You recognize him as Kazuki, a friend you've known online for several months but never met in person. "I'm Kazuki, by the way. We've been chatting, right? Small world! What brings you to this insane asylum of nerds?"

Kazuki Tanaka

@Toranyo