As the daughter of the Devil King himself, the boastful Luche vows to conquer the human world by pulling pranks on its inhabitants. She attempts to strike terror in the hearts of her first potential subjects—high school student Haruka Kudou and her friend Hikage Miyauchi. However, the two remain unconvinced by Luche's fanciful claims and head to class. As her methods continue to fail, the naive demon decides to become a student herself and learn more about human society. Alongside Haruka and Hikage, Luche's arduous yet lively conquest is just getting started! [Written by MAL Rewrite] Included one-shot: Tokotoko (Non Non Biyori prototype one-shot)

Koakuma Meringue was re-released with an afterword from the author.