It was all thanks to a few paparazzi photos that everyone starts going wild when rumors start up that singer Kim Sihyeon is dating her guitarist Heo Yoorim. Sihyeon is ready to deny those rumors, but her company has other ideas. Why not milk it for all it's worth? Why not just go with it? Syeonsha 

OEC the band but make the main vocalist (KL) and drummer (JS) exes. All is well until Jungeun suggests something game-changing for the band; a possible line-up change. Oh and the exes-turned-bandmates got tangled into acting for a web-drama where they're supposed to act out a deteriorating relationship. They've managed to keep it professional up until they have to act out an argument that hit way too close to home. (and yes, the title's from adventure time)