After waking up a lost soul in the Underworld with no memory of anything, Jasper receives a letter from the Heaven and Hell Corps explaining that he is needed to be summoned in the Red Devil Order. After following the directions, he is summoned. The order quizzed him, and then finally gave him the name Jasper and made him a Devil. Watch the story unfold as Jasper progresses with his new life, but unleashes heartbreaking secrets.