Rio and Mamoru are childhood friends who love each other, yet they have not yet managed to confess their feelings. Rio won a beauty contest that turned her into an idol, and she now works for a major agency. However, there is one problem: as her popularity grows, Rio is attracting the attention of powerful, malevolent men who are playing a more macabre game. This game involves watching Rio suffer and forcing her to sacrifice everything. When Mamoru discovers this, he sets his sights on protecting Rio, but will he truly be able to do so?