Re:quiem [Aster]

The story of the failed "children" that rebelled against the Goddess of the Moon. The setting is the Moon. Since the disease "Flowerette", in which people and creatures suddenly become flowers, has become widespread, the earth has become a land of despair covered in green. The few remaining humans try to move to the moon, but the fate of humankind lays in the hands of a woman who survives from Flowerette and is later talked about as a goddess. She was supposed to save everything... [Translated from official website]