
S01E01 Episode.1
A world covered in a red fog. Inside a decaying building, Rin, a girl with an updo, and Rina, a girl with pigtails, search for water. Just when they were about to report to Ritsu...
The party continues their search for water. They are forced to walk on foot at one point and decide to give water to Midori. But then...
A story about three sisters struggling to survive in a desolate world surrounded by decaying buildings and red fog. The story revolves around Rin, a girl with an updo. There's also Ritsu, the big sister who has cat ears and is always calm, and Rina, the innocent, cheerful one dressed in a maid's costume. Just what is it that these sisters are after in this mysterious world?