Flea to Fearsome All Episodes

Mason Vale 's new life begins as a flea—until he unlocks an infinite evolution system. Contracted to the most popular girl in school, he's mocked as useless. But with each drop of her blood, he evolves: from pest, to predator, to planet-shattering beast. Time to shut everyone up.

Mason Vale 's new life begins as a flea—until he unlocks an infinite evolution system. Contracted to the most popular girl in school, he's mocked as useless. But with each drop of her blood, he evolves: from pest, to predator, to planet-shattering beast. Time to shut everyone up.