Debby the Corsifa is the main character of the Japanese Manga series Debby the Corsifa is Emulous. Debby is a demon with immense power who realized that no other demon could match her in a fight. Looking for a challenge, or possibly just entertainment, she travels to Earth where she meets her match in the form everyday life. Turns out she may be a talented fighter, but is completely clueless when it comes to anything else.