Eita Minami, a dispassionate high school student, joins the library committee for its simplicity, resonating with Yuko Shinonome's introverted demeanor. Uncovering Yuko's hidden truth reveals a stark contrast between them, yet draws them into a newfound intimacy that rekindles Eita's dormant emotions. This poignant tale weaves a complex web of love, tinged with both frustration and sweetness, between a perceptive young man and a mysterious girl.