Debby the Corsifa wa MakezugiraiDebby the Corsifa wa Makezugirai.

Debby the Corsifa wa Makezugirai (Japanese: デビィ・ザ・コルシファは負けず嫌い; "Debby the Corsifa Is Emulous") is a Japanese manga series written and illustrated by Masahiro Hirakata. 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. The series has been compiled into nine tankōbon volumes.