Chu Yi, who accidentally fell into the alternate world, carried an evolution guide and entered a bizarre and fantastical world of tamed beasts. There were demonic beasts, elements, plants, demons, ghosts, machinery, fairies, orcs, dragons, insects... By signing contracts and taming beasts, one became a beast tamer. Chu Yi, who was unable to contract any beasts, ended up contracting himself. His body's organs became his tamed beasts. Spiritual Eye → Evil-Breaking Reversion Pupil → Void Pupil → Cthulhu's Eye... Ghost Hand → Thieving Hand → Six-Armed Demon → Seven-Sword Asura... Skeleton → Profound Ice Jade Bones → Indestructible Golden Body → Twilight Aurora... Painted Skin → Soul-Summoning Banner → Shape-Shifting Demon Lord → Painted Skin Immortal... Shadow → Shadow Demon → Specter of Shadow → Lord of Darkness... With the power of a supreme god, the slaughter began with his Ghost Hand!