Rise of the Titan King

Cross was a mocked orphan who awakened only an F‑rank useless Titan and was expelled by all… until he unlocked the Titan System, awakened the fierce beasts Nidhogg and Fenrir, and gained the devour power—grow stronger by consuming every enemy. Now his old bullies return to provoke him, and the demon army invades the world. From zero to 3S supreme genius—can a former trash rise to claim the Titan God throne?