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Seo Ji Yeon (서지연) is a South Korean mixed martial artist who competes in the strawweight division.[1]

She is also RM's cousin.[3]


2017–present: Mixed martial arts[]

Ji Yeon started her professional career as a mixed martial artist in 2017.[4]

On September 29, 2018, Ji Yeon became the youngest Philippine URCC Women's Flyweight Champion at the age of 17.[5]

On July 5, 2021, she appeared in the variety web show Sporty Sisters as guest.[6] Later, on August 3, 2021, she appeared again as guest in the variety web show.[7]

Personal life[]


On December 12, 2022, Ji Yeon revealed that she in a relationship with a non-celebrity boyfriend.[8]

Allegations of sexual assault[]

Ji Yeon accused her former gym manager of committing sexual assault and she filed a lawsuit against him as a result. Following the police investigation, her former gym manager was declared not guilty and was freed from all of Ji Yeon's charges. On July 15, 2021, it was reported that Ji Yeon's former gym manager had filed charges against her with complaints of false allegations.[9] On September 5, 2021, it was reported by TenAsia that the gym manager had also sued her for violating sexual assault acts. All lawsuits however, have concluded as “not guilty” as there was not enough evidence on both sides.[10]


Year Title Network Notes
2021 노는언니 (Sporty Sisters) YouTube Guest (Eps.49, 53)

Official links[]