Kimi wa Tsukiyo ni Hikarikagayaku

After losing someone significant, the narrator has lived without direction. In high school, they meet a classmate named Watarase Mamizu, who is hospitalized with a condition called "luminescence disease," causing her body to glow under moonlight, with the intensity increasing as her life nears its end. Learning of her limited time and her wishes for before death, the narrator offers to help. Accepting, Mamizu agrees, and this commitment marks the moment the narrator's stagnant time begins to move once more.