Lee Jung Joon is an up-and-coming South Korean actor who was born on March 22, 1999. He made his acting debut in the hit 2019 drama series “He Is Psychometric,” following up later the same year with a role in “Class of Lies.” In 2020, he appeared in the dramas “Kairos” and “Best Mistake Season 2.”

Lee Jung Joon

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Hae Yi is a freshman at Yonhee University in the year 2019. As she comes from a poor family, she focuses mainly on earning money. She joins the Theia Cheerleading Squad just for the purpose of making money, but happens to learn true love there. Jung Woo is a senior student at Yonhee University and is also the leader of Theia. Being a principled student with a warm heart, he leads the squad in need despite his exam studies. Sun Ho is a Medical School freshman who has always been an elite student. However, he feels something that he never felt before when meeting Hae Yi at the cheerleading squad. The future of Theia and the relationships of these young students will unravel soon.

Cheer Up

Kim Yeon Doo (Lee Eun Jae), a model student, unexpectedly encounters Ji Hyun Joo (Kang Yul), a notorious bad boy, during a desperate attempt to avoid a boy from her past. Initially skeptical of Hyun Joo's true nature, Yeon Doo gradually discovers his softer side as they grow closer. Their budding romance faces a challenge when baseball prodigy Choi Seung Hyun (Lee Jung Joon) enters the picture, competing for Yeon Doo's affection and testing the strength of her relationship with Hyun Joo. As they navigate high school drama and prepare for college, the couple must confront new challenges and potential obstacles in their relationship. Adapted from the mobile dating simulation game "Best Mistake" by Day7, this is a 2021 South Korean romantic comedy drama produced by WHYNOT media.

Best Mistake 3

With Love, Dear Mistake Team 

Kim Yeon Do (Lee Eun Jae), a studious high school girl, accidentally sparks a relationship with Ji Hyun Ho (Kang Yul), a popular but unserious boy, after posting another boy's picture to deter a persistent suitor. Their budding romance is challenged when Choi Seung Hyun (Lee Jung Joon), a baseball ace, arrives and shows interest in Yeon Do, causing Ji Hyun Ho to become jealous. As their relationship faces this new tension, their classmates also begin to explore romantic connections. Based on a 2016 mobile game, this is a 2021 South Korean movie directed by Lee Yoo Yeon that explores the complexities of young love and high school relationships.

Best Mistake 2: The Movie

Blunder Brigade Returns

V LIVE, Naver TV, YouTube, Facebook

Kim Yeon Do (Lee Eun Jae) is a diligent high school student in an unexpected relationship with Ji Hyun Ho (Kang Yul), one of the school's most popular boys. Their seemingly stable romance is challenged when baseball ace Choi Seung Hyun (Lee Jung Joon) arrives and develops feelings for Yeon Do. Ji Hyun Ho becomes suspicious that Yeon Do might reciprocate Seung Hyun's interest, potentially sparking a complicated love triangle. As romantic tensions unfold among their classmates, the potential for romantic complications grows. Based on a 2016 mobile game and serving as a sequel to the 2019 "Best Mistake" series, this is a 2020 South Korean drama series written by Yoon Shi So.

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