In a world that is corrupted by Black, Jevin makes the ultimate sacrifice to save his world and friends- making a deal with Black. This sets off a complicated relationship between Black and Jevin. The two, trying to understand the other. Black is a morally ambiguous character which causes Jevin to question Black. Was Black as bad as he pretended to be or was there more to him that met the eye? What will become of Black and Jevin's relationship? Can they learn to get along?