Maru and Kirko travel to Japan in the future, which has turned into a "devil's world", aiming for "heaven" where they don't know where it is. The two pursue the "Kill Ray Mark", which seems to be the key to finding "Heaven", and aim for the "Kogen Gakuen" Nara facility. However, as he wanders through the forest, he is blocked by a "strange person"... On the other hand, "Kougen Gakuen" in "Heaven" was attacked by someone, and the children were "protected" by the attackers. The children were living a new life, but the plan of the "principal director" became clear...!?
HQ, comics, mangá