"There is.. well, I cannot call it a technique I suppose. But a method, that I have read of. Kunoichi who are interested in seduction training learn it, but I have a hard enough time with people already. It involves using chakra to create a barrier, within you, to keep a man's seed from causing unwanted complications." Ume said. She moved a hand behind her back and undid the clasp on the strapon. Letting it float away, she moved Iku's hand to her sex, holding it there. "I want you to use me to take out all of your frustration and anger. I invited you and Hiro here to repay the pain caused earlier in training and my own stubbornness with pleasure for you. For now, while we are in this bath, my body is merely for your enjoyment."