Sam Cole transmigrates into a world where humans tame beasts. He becomes an F-rank Slimeback Serpent, despised even by the campus belle, Mona Lane. At death's door, he awakens the Devouring Evolution System. By devouring beasts, he evolves. As the Beastly Apocalypse approaches, he fights alongside humanity, devouring even god-like adversaries on his path to ultimate evolution.
