Ichiro, an erotic novelist, lives a carefree life alone. However, his kind younger brother's wife Nanako worries about Ichiro and looks after him, and he is often treated to dinner at their house. One day, he witnesses his younger brother and Nanako entangled. Ichiro, who secretly has a crush on Nanako, is shocked, but his fantasies grow and grow in his head, and before he knows it, he is imagining her as the protagonist of an erotic novel. The next day, Nanako comes to Ichiro's house to bring him a meal, and she ends up reading the writing...