Yeonjun was older than Soobin, but sometimes Soobin was arbitrary and threatened small things because he was the son of the boss where Yeonjun worked. Yeonjun likes to grumble and retaliate against Soobin, but in the end he still obeys.
But the truth is that even though Soobin likes to tease and threaten his elders, he just wants to see Yeonjun's anger and annoyance as well as the scolding that comes out of Yeonjun's duck-like lips, Soobin has actually fallen too deeply for the charm of the elde