Sumire Kurokawa, a female literary author, struggles with writer's block on her latest work. Seeking both reference material and a change of scenery, she heads to the library, where she unexpectedly meets Momoka Kato, a librarian and devoted fan. Upon learning this, Sumire's lesbian instincts awaken, and she passionately seduces Momoka. Though Momoka identifies as straight, the encounter leaves her emotionally conflicted...