A fantasy mystery combining witch legends, a locked-room puzzle, and historical secrets, staging a clash between magic and logic.

ウィッチハント・カーテンコール 超歴史的殺人事件 is a work by 紙城境介 whose profile can be outlined through award records and bibliographic checks.

A light novel centered on the image of witches in five colors, drawing together magic, choice, and youthful relationships.

五色の魔女 is a work by 狗彦 whose profile can be outlined through award records and bibliographic checks.