Thirty years ago, he saved the world. Today, the absolute beastmaster Gang-Ho just wants to live with his magical beasts in peace. But when an ominous new dimension bleeds into Earth, his quiet days are rudely interrupted. Drawn back into chaos, Gang-Ho unexpectedly ends up guiding a ragtag crew of powerful, wounded misfits. He soon learns his heartwarming care must extend beyond his beasts to his quirky new family, and ultimately, the world.