Stephanie Hym Lee[10] (née Bell; born April 16, 1989), better known by the ring name Mia Yim, is an American professional wrestler.

She is signed to WWE, where she performs on the SmackDown brand under the ring name Michin (/ˈmiːtʃɪn/ MEE-chin, Korean: 미친, lit. 'crazy').

He served in the military before a career as an FBI special agent, working in units for gangs, then missing and exploited children and cyber operations.

[14] She trained for eighteen months before making her debut on August 22, 2009,[14][1] adopting the ring name Mia Yim, and initially working primarily for independent promotions in Virginia.

[15] Debuting at Cage of Death II in December 2010, the two were presented as a storyline couple, and Yim regularly interfered in Cole's matches to help him win.

Throughout 2012 and 2013, she faced wrestlers including Jessicka Havok and Tina San Antonio,[1] before entering the tournament to determine the inaugural Shine Champion.

[36] At Shine 28, Yim was defeated by Allysin Kay, and began showing signs of a heel turn when she blamed Leva Bates for the loss.

[39] She earned her first victory at Volume 56 later that month against Evie, before a series of losses to Jessicka Havok, Hikaru Shida, and Madison Eagles.

[40][41][42][43] After victories over Melanie Cruise, Angie Skye, and Hikaru Shida, Yim unsuccessfully challenged Cheerleader Melissa for the Shimmer Championship at Volume 65 in April 2014.

[50] Yim spent the next several months managing Dos Ben Dejos, along with Leva Bates, while also wrestling in Shine showcase matches against Jessicka Havok and Ivelisse Vélez.

[51][52][53][54] In June 2014, The Lucha Sisters successfully defended the Shine Tag Team Championship against Vélez and Candice LeRae at an FIP event.

She returned to the promotion in May 2014 for Knockouts Knockdown 2, where she defeated Brittany to qualify for the gauntlet match later that night, in which she was eliminated by Taryn Terrell.

[63] On the July 15 episode of Impact Wrestling, Terrell lost the championship to Brooke, after Gail Kim returned and attacked Jade, causing a distraction.

[65] On the September 23 episode of Impact Wrestling, Jade unsuccessfully challenged Gail Kim for the TNA Women's Knockout Championship.

[73] In late April, Jade started a feud with Knockouts Commissioner Maria which led to her first face turn since signing with the company.

On the December 2 episode of Impact Wrestling, Jade lost to Rosemary in a "Six Sides of Steel" cage match for the vacated TNA Knockouts Championship.

Jade received a rematch against Rosemary on the March 2 episode of Impact Wrestling, in a Last Knockout Standing match, which she lost.

This was Jade's last match in TNA, and it was officially announced earlier in the week that she was not signed to a new contract and confirming her departure from the company.

She also worked as enhancement talent for WWE's developmental territory NXT at the October 2014 television tapings, losing to Charlotte.

[79][80] On July 13, 2017, Yim returned to WWE by entering the Mae Young Classic tournament, representing her mother's country of South Korea.

[83][84][85] Thanks to her performance at the Mae Young Classic, on September 24, it was confirmed that Yim was signed to a contract with WWE and would begin working at NXT.

[86] Just a month later, on the October 24 episode of NXT, Yim made her in–ring debut as part of the brand, defeating Aliyah, thus establishing herself as a face.

[99] On the September 21, 2020, episode of Raw, several weeks after her last appearance on NXT, Mia Yim turned heel in her main roster debut by revealing herself as a member of the villainous stable Retribution under the ring name Reckoning.

On March 31, 2022, Yim made her in-ring return during the WrestleCon Mark Hitchcock Memorial Super Show, where she defeated Athena.

[105] At Under Siege, on May 7, 2022, Bell, using the Mia Yim name instead of Jade, made her return to Impact Wrestling, saving Taya Valkyrie from an attack by Deonna Purrazzo.

[110] On July 1 at Against All Odds, Yim teamed with Mickie James and fought Purrazzo and Chelsea Green in a losing effort.

[114] On the October 20 episode of Impact!, Yim wrestled her last match for the company by facing Taylor Wilde in a losing effort.

[121][122] On the December 22, 2023, episode of SmackDown, Michin pinned WWE Women's Champion Iyo Sky in an eight-women tag team holiday street fight match against Damage CTRL, granting her a title shot at SmackDown: New Year's Revolution on January 5, 2024, where she failed to defeat Sky for the title.