Volume 1 :the Mysterious Side

Volume 2 :The Demon Race Returns

Volume 3 :Monster World Secret Realm

Volume 4 :The Rise of the Unparalleled Human

Volume 5 :Ultimate Being x Perfect Organism

Volume 6 :Fein's Transformation and Journey to the North

Volume 7 :MONSTER

Volume 8 :Road to the Strongest Swordsman

Volume 9 :To the Abyss