My homeroom teacher, Kikuchi-sensei, was hospitalized, and a teacher named Hitomi Enjou came to my school as a temporary replacement. Hitomi-sensei was beautiful and sexy, resembling my mother, who had died when I was young, and before I knew it, I found myself following her with my eyes. Then, one day after school, by chance, Hitomi-sensei and I were alone in the classroom, and her hand suddenly touched my cheek. The touch of her fingers felt warm, like something I had felt a long time ago, and I had no choice but to surrender myself to Hitomi-sensei...