In a world where combat classes rule, orphan Evan Lawrence awakens the only hidden profession: God-Tier Breeder. Branded useless and dumped by his girlfriend, he hits rock bottom until he activates the God-Tier Breeding System. The beasts he raises evolve into powerful guardians, even taking human form. While his ex struggles for status, Evan rises with his formidable companions, charging straight to the top of the world.