A summoned beautiful girl Maryu who was fatally injured in the previous accident and lost her memory. She was interested in the word "erotic", and her contact with her senior gave Mariu one hope. In order to activate her cells, share magical power with her seniors in sex. A forbidden ritual that goes back in history and fights fate is an erotic story that spins the future woven by the last master of mankind and his servant, the story of its beginning...
