Season 1

A spaceship, Turtle-shell Ship Bumba (亀甲船ブンバ, Kikōsen Bunba), was transporting prisoners from an another world (Chou Shinkai (兆真界, Chō Shinkai)) to the Land of Exile (流刑の地, Rukei no Ji) is suddenly attacked by a powerful demon who causes a prison break and frees its master, Jin and several of the prisoners. Though the demon is destroyed, Jin plans to unleash an army of 1000 soldiers in 100 days to destroy the Earth. The ships captain, Gou, plans to gather a ragtag group of 4 escaped prisoners with unique fighting skills in order to protect the planet from the impending invasion.

人間界とは異なる世界・兆真界（ちょうしんかい）に暮らす光人（ひかりびと）と呼ばれる超人たちの警護将軍であるゴウは、陰人（かげりびと）呼ばれる罪を犯した光人を移送中、巨大なマギーと呼ばれる怪物の攻撃に遭って墜落してしまい、気がついた時には人間界にいた。 そんなゴウの姿を目撃してしまう普通の女子高生・界ヒトミ。2人が出会った時、ゴウ、ヒトミ、そして地球の運命は……。