A female ninja who is tortured by the aphrodisiac Mara. Endless Infinite Ring Hell! [Episode 1] Miki, a female ninja who tries to escape from the village with her apprentice ninja. I got lost in my head and was used as a tool for sexual processing ... [Episode 2] Iroha chases the rogues hired by the enemy to save the kidnapped young gentleman. Although she catches up with the unskilled people, she is attacked instead, taken away, and trained... [Episode 3] Shiori tries to escape from the village after learning the fate of the village woman, but she is caught. Training to make it a tool to give birth to children has begun... [Episode 4] Nozomi tries to escape from the village knowing the secret. Nozomi is brought back to the village and trained to become a prisoner of pleasure...