It was originally a one-shot published in Shueisha's Jump Giga magazine in April 2020, before being serialized in the Shōnen Jump+ service from December 2020 to March 2024.

Realizing that no demon can possibly match her in a fight, she decides to alleviate her boredom by traveling to Earth and killing some humans.

Rokurou manages to persuade her into playing old maid, and Debby accepts - with the rule that if she wins, she will kill him.

Written and illustrated by Masahiro Hirakata [ja], Debby the Corsifa wa Makezugirai was initially a one-shot published in Shueisha's Jump Giga magazine on April 30, 2020.

[16] Tamagomago of Comicspace found the series fun, and described Debby and her personality as endearing and "full of charm.