Best Mistake Season 3 – Cast & Summary

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Best Mistake season 3 - Cast, Summary, Synopsis, OST, Episode, Review

KOK TV has released another web series on December 28, 2021. Best Mistake season 3 has started by famous idols and actors, they are Lee Eun Jae, Kang Yul, EPEX’s Keum, Day6’s Kim Wonpil, Kang Hyewon, CIX’s Hyunsuk, Park E Hyun, Yoon Jun Won, Choe Chan Yi, Lee Jung Jun, Ju Hyun Young, and WooAh! Nana.

Lee Eun Jae has played some web series and Korean drama in her acting career. She has played in Best Mistake 1 & 2 (2019-2020) and appeared in drama 18 Again (2020)

Meanwhile, Kang Yul also has acted in the web drama Best Mistake 2 (2020) and became a cast in the drama Shh, Please Take Care of Him (2021)

On the other side, this drama became Keum’s second appearance in this drama after previously playing in Best Mistake Season 2 (2020)

This drama also became Day6 Kim Wonpil’s debut acting. Not only that, but Hyewon was also cast in this drama and started her debut in web drama.

CIX’s Hyunsuk also followed another by starting his acting debut with Best Mistake season 3 (2021)

This drama also became Park E Hyun second drama in 2021 after previously played in By My Boyfriend (2021) and Someway (2020)

Yoon Jun Won also became the cast after playing in the drama Cha Tang Gong In (2020) and Best Mistark Season 2 (2020)

Choe Chan Yi also continued his act after playing a role in Best Mistake season 2 (202)) and Best Mistake season 1 (2019)

Lee Jung Jun also appeared in this drama after previously playing in Squid Game (2021) and School of Start (2021)

Nana has comeback to web drama after playing in the drama No Going Back Romance (2020)

This drama is the continuation of Best Mistake series 1 & 2.

Read also: Ghost Doctor – Cast & Summary


  • Title: Best Mistake / 일진에게 반했을 때
  • Also Known as: When You’re On the Blacklist of Bullies 3 / Iljenege Jjikhyeosseultae Sijeun 3
  • Genre: Comedy, Romance, School, Youth
  • Country: South Korea
  • Director: Hong Jisoo
  • Producer: Lee Min Seok
  • Screen Writer: Yeo Songeun
  • Production Company: WHYNOT Media
  • Network: Kok Tv, Vlive
  • Episodes: 16
  • Air Dates: December 28, 2021 – February 17, 2022
  • Air Times: Tuesday and Thursday, 18:00 KST
Best Mistake - Cast, Summary, Synopsis, OST, Episode, Review
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Synopsis of Best Mistake 3

A lovey-dovey couple from Hwayang High School, Yeon Doo (Lee Eun Jae) and Hyun Ho (Kang Yul) breaks up after their graduation.

It’s not because their heart into cold, but they love each other so much.

While Hyun Ho tries to change Yeon Doo’s mind, two disturbers come and tried to change Hyun Ho plan’s.

Can this walnut couple gets back together or their story has stopped in the senior high school?

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