My brother's sexual treatment has already continued for 10 years and my brother has become an uncle. Ichiki MAHIRO

It is a story that continued the sexual treatment for ten years of the serious sister who continues to support the elder brother who became delicate and pulled up. She is a gentle and important brother for her younger sister even if she becomes a child uncle. My sister, work -- my sister comforts when my sister is likely to be frustrated, and the only thing I can handle with my hands is to get a line over the line. Please look at the figure of a brother and sister who supports it through sex for ten years.