Stevenson is a CEO he can buy everything but on the other hand no one knows that his past is very dark and full of violence, it was the work of his own parents and the people around him one night he intended to summon a devil to be his servant and take revenge on everyone who had hurt him and in return Stevenson's soul was taken by the devil when Steve reads the demon summoning spell there is a dark and red light in that place that comes out with an eerie aura "Yes, come, I'll call you."