Jisoo and Chaeyoung find out that their girlfriends are secretly hooking up behind their backs.

When your "best friend" makes you realize that you've been crushing on your "roommate" for an unimaginably long time now, all kinds of games emerges at once, especially when you're too much of a coward to face the truth. Perhaps the solution to the problem would take a genius, and certainly NOT Kim Jisoo, who decides that the best way to get rid of that string of infatuation is by convincing Chaeyoung that she has a crush on Jennie Kim. And jealousy is an ugly feeling. It is, by far, the messiest game ever.