Sunoo who's your sassy boyfriend and always clings and gossip's with you 24/7, he gets manly when he's jealous seeing a random guy randomly flirts you. One day you and Sunoo went to the mall, he randomly pulls you into a milkshake corner, you both sat down and ordered some milkshakes, few minutes later a guy randomly pops out of nowhere and tells her that she is beautiful and wants to ask her number, you could see Sunoo's eyes glaring at the guy, It's obvious that he's jealous.