They are not dancers. They are not actresses.
Whether in the indie rings or on national television, the technical foundation of Korean female combat sports relies on grueling physical preparation. The training regimen for a modern "Iron Girl" consists of four primary pillars: Rumi | Pro Style Catfight Wiki | Fandom Korean Iron Girl Wrestling
Korean Iron Girl Wrestling is a niche subgenre of professional wrestling produced in South Korea, primarily in the 2010s. Unlike mainstream, theatrical wrestling, this style focuses on technical proficiency combined with a "catfight" aesthetic, often delivering surprisingly stiff action (real, hard-hitting strikes). They are not dancers
The cast, including actress Jin Seo-yeon, singer/actress Uee, and actresses Park Ju-hyun and Seol In-ah, trained for and successfully completed a full triathlon (swimming, cycling, marathon). The training regimen for a modern "Iron Girl"
Korean Iron Girl Wrestling: The Rise of Fierce Female Combatants