Why is Jaehyun looking at Sung Si-kyung so cute?

It feels like looking at a celebrity I've really admired....

What's with this Puss in Boots-like visual... lol

Sung Si-kyung is surprised, saying the custom microphone looks like obsidian.....

Jaehyun is only looking at Sung Si-kyung lol

Sung Si-kyung... saying it looks like you're standing too close together lolololol