Jimin loves Minjeong but the blonde loves someone else. In addition, Jimin doesn't have the guts to confess to her long time best friend and Jimin's parents and Minjeong's parents can't take it anymore. Seeing those two best friends being the dumbest soulmates ever. They are also frustrated on how coward Jimin is and How dense Minjeong is. So they made a plan. Alliance with Benefits.