Chu Shite Agechau: Oshikake Onee-san no Seikou Chiryou
Title: Chu Shite Agechau: Oshikake Onee-san no Seikou Chiryou
Japanese Title: Chu(治癒)してあげちゃう ~押しかけお姉さんの性交恥療~
Released Date: Feb 22, 2013 till Jun 28, 2013
Based on the erotic game by Syrup: Honey Sweet.
Segawa Akira is a high school student who is one day caught masturbating by his older sister, Yuu, who then proceeds to help him to relieve his needs. Later that day, Akira talks to Yuu, prompting her to decide to consult him with a physician, Tachibana Kimiko. Kimiko explains that Akira has an illness that can only be cured by having sex with him. Thus starts the new sex-filled life of Akira with his sister, doctor, and childhood friend Takamori Sana.