Level up! My Green Caterpillar

Thrown out by his own family, Sean Wayne gets one more shot at fate through the Beast System. His rare gift lets him uncover the hidden strength inside spirit beasts, and that’s how he ends up with the most unlikely companion—a plain green caterpillar. From there, Sean begins climbing the ranks at a speed no rookie can match. And when the caterpillar finally unleashes its true power, the whole academy is left stunned.