Planet of the Fools

Planet of the Fools (愚者の星, Gusha no Hoshi) is a Japanese manga series written and illustrated by ENDO Hiroki.

Plot
The setting is a planet named Slars, where the indigenous Slarsians and alien Earthians coexist uneasily. Shinta descends from both races, and is thus shunned by either side, but becomes involved in the conflict around "Regalia" that holds a mysterious power.