Earthian (アーシアン) is a J.C.STAFF produced anime OVA based on the shounen-ai manga by Yun Kouga about angel watchers of earth. The angels' roles are to assess the progress of humans giving them positive and negative scores based on their everyday actions. The angels, who have deemed that the Earthian are becoming far too destructive, decide that if the Earthian reach 10,000 negative marks instead of positive, then their world will be destroyed.