Crossing the world of familiar beasts, everyone contracts to fight monsters and level up as war beasts, while auxiliary beasts are regarded as worthless low-level subdued beasts. However, I contract the weakest auxiliary cub in the eyes of others at the beginning of the game, endure the cold eyes of the whole school, unlock the symbiotic devouring system on the brink of death, and break the iron law that auxiliary beasts cannot evolve. I continuously hunt exotic beasts and devour energy with the cub, breaking through the star-level shackles all the way, defeating the aristocratic children who rely on high-level war beasts to oppress others, joining hands with the main city defenders to fight against out-of-control void beasts, exploring secret realms to unlock top-level evolutionary forms, and ultimately overturning the inherent prejudice of the world towards auxiliary subdued be
