Shinyuu no Imouto ga Kannou Shousetsu no Model ni Natte Kurerurashii

Ryutaro Kanae is a high school boy who writes erotic novels using his best friend's younger sister, Suzune Minashizuki, as a model. One day, Suzune finds out about Ryutaro's novels on the Internet, and she asks him, "I am the model for your novel characters, aren't I ......?" When Ryutaro apologized