Des：A female ninja tortured by the aphrodisiac Mara. Endless infinite ring hell! [Episode 1] Kunoichi Miki and her ninja apprentice try to escape from the village. I lost my mind and was used as a tool for sexual processing... [Episode 2] Iroha hunts down the gangsters hired by the enemy and rescues the kidnapped young gentleman. Although she caught up with the unskilled people, she was attacked, taken away and trained... [Episode 3] Shiori tried to escape from the village after learning the fate of the women in the village, but she was Caught. Training to make it a tool for giving birth to children has begun... [Episode 4] Nozomi, who knows the secret, tries to escape from the village. Nozomi was brought back to the village and trained to become a prisoner of pleasure...