Pet? It's a Monster!

Ten years ago, a meteor shower imbued Earth with spiritual energy, sparking a chaotic evolution across all flora and fauna. This cataclysm created a new profession: Beast Trainer. These individuals tame and battle the evolved creatures. Young Mike, thrown into this new world, confronts the terrifying transformation of his first pet—a creature bonded to him since the Awakening Ceremony—into a monster, forcing him to question his destiny as a Beast Trainer.