[DeepL Translation - needs review] Volume 1 Introduction: This is a story a little in the future. In the near future, the birthrate is super low and various customs have been lost. Sanda, an ordinary boy who attends Daikoku Aigo Academy, is somehow targeted by his classmate, Fuyumura Shiori. Suddenly, a deadly blade is swung down on him. There is a reason for this: a friend of Fuyumura's who has gone missing and a "certain curse" that Sanda is carrying...?
(Translator: DeepL)
