Day after day, Kyouko Mogami holds down multiple jobs to support her childhood friend, Shoutarou "Shou" Fuwa, in his ascent to idol stardom. She never complains about her lifestyle, being deeply infatuated with Shou and willing to go to the ends of the world for him. However, her heart is shattered when she overhears Shou describing her as nothing more than a maid he cares little for. Furious at being used, Kyouko flies into a rage and vows to get revenge on her former crush by entering the showbiz world to surpass him. Joining the relentless and unforgiving entertainment industry proves challenging, as she continuously encounters people who force her out of her comfort zone. But for the sake of vengeance, Kyouko is determined to push herself and rise to the top.