![Body Transfer](https://animehentai.pro/wp-content/uploads/2021/12/Body-Transfer-185x278.jpg)
![Dekakute Ecchi na Ore no Ane](https://animehentai.pro/wp-content/uploads/2022/01/c044Q381YSiXme0w14sWJnT1hLC-185x278.jpg)
Based on the erotic game Marine. After a long absence, Shunsuke returns home at the invitation of his older sisters. He discovers that his sisters suffer from a rare condition: they have abnormally strong sexual desires resulting from an illness. Now, Shunsuke must do what he can to help them.