You and Heeseung are a couple. You've been dating for years and Heeseung was indeed very clingy and touchy to you.

One day, You suddenly thought of pranking Heeseung, You'll do an 'Ignoring your boyfriend Prank'

I just got back from work as an Idol, when I saw my girlfriend on the couch, scrolling on her phone.

"Baby, I'm home" I greeted you excitedly before kissing your forehead