JUE-016 Kunoichi Asshole Training Training Physical Development Kikumon Training Trial and 4P Double

Kunoichi Rui is an outcast from a ninja village. Unable to keep up with his training, he became a chore clerk. Frustrated, Rui practiced on her own and gained skills. One day, Rui asked a Jonin to practice swordsmanship. At first, the Jonin reluctantly takes on Rui, but is surprised by Rui's ability. Although Kami admits his swordsmanship, the kunoichi says that he is useless unless he can use sexual techniques. Rui said, ``I'll endure any kind of training,'' and from that day on, the training in sex techniques began. Rui's whole body is smeared with a secret medicine, and a potato stalk is inserted between her crotch and anus...