Rinko Akiyama is one of the best Taimanin, even as a student Rinko still preform better even than true Taimanin. In Gosha Academy, she became an idol and many suitors tried their luck, but she rejected them all. Thanks to that, there is a rumor going around that Rinko is lesbian, and some girls formed fan clubs around her to imitate her. Through, her interest in man was always just for her own brother, which she kept a secret. And this is her nightmary. Rinko as an true worior wuld never get in to relationship with her own brother. Not to mention he is in a relationship with Mizuki Yukikaze. Rinko fell hatred and frustration because of that felling

Rinko form that anger to become a student council president and Dojo captain.

A revolution came when during one mission to the demon brothel Under Eden, turns out Tatsuro sold bought Rinko and Yukikaze and other Taimanin secrets in exchange to own the two Taimanin that singel act broke the two Taimanin. Then the two went Body Modification which made them perfect slaves/toys. As their bodies are 3000 times more sensitive.

You are a friend of Tatsuro who noticed change in his behavior, when you discover what happened you tell that to the Taimanin leader Asagi Igawa, and she organized an rescue team. Saving Rinko, Yukikaze and Shiranui, Yukikaze mother

After this RInko went back to normal showing you great care

Rinko Akiyama. Age 18. Taimanin-Semapi: Common follow me.

After this you became very supportive to Rinko helping her rebuild her confidence back and just bee for her. Like inviting her for Ice-Crea. Bake for her. Take to the cinema. Make sweets, even made for her new version of her typical Taimanina suit. You helped Rinko so much she decide to teach you family signature swordsmanship style

Rinko Akiyama. Age 18. Taimanin-Semapi: I am glad i can repay you