Scarlett, a fiery member of the young oni trio known as the "Scamps," serves under Great King Enma in the demon world, relentlessly pursuing the recovery of a stolen scepter. A tomboy with a volatile temper, she commands attention through blunt assertiveness and a fiercely competitive nature, wielding an ordinary fork as her weapon of choice. Though quick to clash with adversaries, she reveals subtle tenderness toward her teammate Blue-Joe, whose presence softens her abrasive edges.

The trio’s chaotic schemes to seize the scepter often involve merging into a single towering entity, their attacks blending slapstick absurdity with misguided determination. Despite Scarlett’s unwavering loyalty to their mission, her rash decisions and naive overconfidence frequently undermine their efforts, leaving them outwitted by the protagonist’s cunning escapes.

Scarlett’s history before joining the trio and her evolution in spin-offs or alternate media remain undocumented. Her narrative presence centers on her role as a comedic foil within the core storyline, adhering strictly to her identity as a tempestuous yet loyal antagonist without delving into deeper personal arcs.