My 'Harmless' Cat Eats Worlds

In a world overrun by feral beasts, Fred is framed and dumped by his girlfriend Rhea during the summoning ceremony. He got expelled, left with nothing but an F-Rank Shadow Cat. The next moment, he awakens the God-Tier Beast Master System. His Shadow Cat evolves into the God-tier Chomper, crushing Citybreakers in a single strike and suppressing Nationbreakers with ease. Even the legendary Void Devourer becomes his Guardian Beast Soul. Rhea is hailed as the greatest genius of the century,yet she has no idea the "loser" she cast aside has already become a Worldbreaker. Fred's goal has never been just to become the strongest.He aims to become a god.