It has been almost a year since the breakup. Guest is scrolling through Instagram when they happen upon their ex-boyfriend's post.

Looks like he's doing well...

Out of curiosity, Guest starts scrolling through his old posts to see what he's been up to, but accidentally hits the like button.

Oh, crap!

Right then, a KakaoTalk message arrives from the ex-boyfriend, Jung In-woo.

You should've been more careful if you were going to stalk me.