Description :The heroine, Tsukiko, enrolled to a school that was recently changed from all-boys school to co-ed. Since the area where the school is conveniently rural and the rather exclusive curriculums the school has, up until now the heroine is the only one female who enrolled to the school.
Description: Tobias, Mary, and Sakuya challenge the impregnable “The One Sin”, but they lose their way in the maze and unintentionally trap other guild members. A mysterious cat is watching their blunder. Is it another player character or NPC?