[DeepL Translation - needs review] Volume 1 Introduction: Since the death of someone important to me, I have been living somewhat indolently. In my high school class, there is a girl who is still hospitalized with "luminous disease. It is so called because her body glows faintly when bathed in moonlight, and it is said that the light becomes stronger as she nears her deathbed. Her name is Watarase Mamizu. When she learned that she had a few days left to live and that there was something she ...
