She started training in the 8th grade after seeing a kickboxing match on television, which set off her desire for a career in combat sports.
[2] Kim started her professional MMA career in 2013 and fought primarily in South Korea and Japan.
Kim acquired a six-fight winning streak and became the Jewels[5] and Gladiator women's bantamweight champion prior to joining the UFC.
Kim faced Lucie Pudilová at UFC Fight Night: Holm vs. Correia in Singapore.
[12] Kim faced Antonina Shevchenko, replacing injured Ashlee Evans-Smith, on November 30, 2018, at The Ultimate Fighter 28 Finale.
[20] Kim was scheduled to face Alexa Grasso on June 27, 2020, at UFC on ESPN: Poirier vs.
[24] However, Kim pulled out of the fight on March 22 citing injury and was replaced by Mayra Bueno Silva.
[39] However, Agapova was forced out of the fight due to knee injury and she was replaced by Joselyne Edwards.
[41] Kim was scheduled to face Mandy Böhm on February 4, 2023, at UFC Fight Night 218.
[42] However, Böhm was forced to withdraw before the event start due to illness and the bout was cancelled.