Other Name: Jyu-Oh-Sei: Planet of the Beast King, Juuousei, 獣王星
Summary: Chimera, a planet of beasts, is a prison planet for brutal criminals. Thor and Rai are twins, sons of an executive, brought up without wanting for anything. However, their father is murdered, and his murderers send the twins to Chimera. On this unforgiving world they will have to become beasts themselves just to survive.