Arkis Hasato - an ordinary girl with no powers - gets treated horribly by others because she has no types of powers at all except for her best friend, Hayabe, who treats her very nice while she despite others for hurting Arkis. However, ever since Arkis made a deal on that day, every day...she slowly starts to suffer from the curse on her right eye that she gotten from the deal. Making herself isolate from everybody in the world including her best friend.