While juggling her responsibilities as a high-schooler, Setsuna Iwato secures a job at a publishing agency. During her employment, Setsuna assists a writer who is struggling with creative stagnation in the realm of erotic fiction. As the writer's aide, Setsuna endeavors to revive the "Pure Kiss" in his work.
In addition, there is a secondary plot concerning a story called "Daikyou Enmusubi" or "Unfortunate Union."