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        "Best Mistake 3" (2021 Web Drama): Cast & Summary

        Find out the cast and summary of the Korean web drama "Best Mistake 3" with Lee EunJae, Kang Yul, DAY6's WonPil, Kang HyeWon, CIX's HyunSuk, and EPEX's Keum.

        Carinne, Staff Writer
        8 min to read  ·  Published : Dec 23, 2021 · Updated : Jan 27, 2022
        "Best Mistake 3" (2021 Web Drama): Cast & Summary

        KOKTV

        "Best Mistake 3" is the third season of the popular web drama series "Best Mistake" based on a dating simulation game.

        After "Best Mistake" 1 and 2 and the spin-off "Be My Boyfriend", the third season is on its way but this time the setting is not in high school but university. The characters graduate from high school and become college students.

        The title of the third season of the web drama is also slightly different. The Korean title of the first two seasons was "When You're On The Blacklist Of Bullies" ("일진에게 찍혔을 때") but for this third season, it was changed to "When I Fell In Love With The Bullies" ("일진에게 반했을 때"). 

        For this new season, Lee EunJae and Kang Yul, the lead actors from the previous seasons will be joined by new faces: DAY6's WonPil, former IZ*ONE's Kang HyeWon, and CIX's HyunSuk. WonPil, Kang HyeWon, and HyunSuk are taking their first steps in acting.

        EPEX's Keum (Keum DongHyun) who was in season two will be in season 3.

        Park EHyun, Ju HyunYoung, Yoon JunWon, Choe ChanYi, as well as Lee JungJun will be coming back for season 3 too. 

        Finally, woo!ah! member Nana will be playing Ara.

        The drama is produced by WHYNOT media who previously worked on "Kiss Goblin", "Single & Ready To Mingle", "One Fine Week", "Light On Me", etc. Check out the links at the end of the article to watch the episodes with English subtitles.

        Here is more information.

         

        Best Mistake 3 (2021)

        "Best Mistake 3" (2021 Web Drama): Cast & Summary

        KOKTV

         

        Information

        Title: Best Mistake 3 / Iljinege banhaesseul ttae / 일진에게 반했을 때 (일진에게 찍혔을 때3)

        Director: Hong JiSoo

        Writer: Yeo SongEun

        Network: KOKTV

        Runtime: December 28

        # of Episodes: 16

        Genre: Romance, Youth

        Language: Korean

         

        Summary

        The walnut couple, the best couple at Hwayang High School, broke up! Because they couldn’t see what’s in front of them? Because their hearts turned cold? No, rather, they loved each other so much that they broke up.

        YeonDu is trying to push HyunHo away by holding her heart together while HyunHo tries to change YeonDu's mind somehow. On top of that, two new “disturbers” start to come between the two. Now the story of the early days of University begins as they leave Hwayang High School behind and become real adults.

         

        Cast

        "Best Mistake 3" (2021 Web Drama): Cast & Summary

        KOKTV

        Lee EunJae as Kim YeonDoo

        She and her boyfriend HyunHo were a famous couple in high school but things are changing now that they are college students. It's not her heart that’s changed but the situation… YeonDu, who is trying to pull herself together as the second semester begins while hanging out with new people, keeps thinking of HyunHo.

        There is a conflict between HyunHo, who is always hanging around YeonDu and, YeSeok, a kind Sunbae that helped YeonDu when she was in trouble.

         

        "Best Mistake 3" (2021 Web Drama): Cast & Summary

        KOKTV

        Kang Yul as Ji HyunHo

        Two years ago, HyunHo made a decision. Without getting caught up in feelings of inferiority or qualifications, he will become a man suitable for YeonDu and stand by her side. To do that, he had to go to college.

         Now he is working hard in college, dreaming of becoming a chef. However, he actually lost YeonDu. He doesn’t know where the hell it went wrong or what made YeonDu so difficult. But he can't break up like this! So HyunHo will once again approach YeonDu with all his heart.

         

        "Best Mistake 3" (2021 Web Drama): Cast & Summary

        KOKTV

        EPEX's Keum as Kang AhHun

        After attending high school with YeonDu as her hoobae and living in the same building as her, AhHun developed a kind of student-teacher relationship with her. He started receiving tutoring from YeonDu in order to achieve his dream of attending Jua University. Why? Because SeungHyun Hyung is there! As a result of tutoring with YeonDu, he sometimes bumps into YuNa.

         

        "Best Mistake 3" (2021 Web Drama): Cast & Summary

        KOKTV

        DAY6's WonPil as Do YeSeok

        He maintains a calm attitude as a good-looking, smart, and rational person who is not swept away by emotions. But his expression hardens as soon as he talks about just one person. "Jin SeHee." He loved her like crazy but was alone in his deep feelings for her and ended up in an unbalanced relationship. 

        He is a person who looks hard on the outside but is full of wounds on the inside. Perhaps that's why the phrase 'think moderately' is ingrained in his body. But after meeting YeonDu, it's not enough. He keeps crossing the line and becoming greedy.

         

        "Best Mistake 3" (2021 Web Drama): Cast & Summary

        KOKTV

        Former IZ*ONE's Kang HyeWon as Jin SeHee

        Hwayang University goddess and object of envy. She earned a scholarship from a school that’s difficult to get into and secured an internship abroad. She and YeSeok were the “Campus Couple”. However, SeHee became engulfed in ambition and broke up with YeSeok. 

        After returning to school her plan is to get back with YeSeok, so she joins the same club as him. The more she tries to get closer to YeSeok again, she catches YeonDu flirting with him… While wandering between low self-esteem and unnecessarily high self-esteem, she plans to give YeonDu a hard time.

         

        "Best Mistake 3" (2021 Web Drama): Cast & Summary

        KOKTV

        CIX's HyunSuk as Kim DaeYoung

        DaeYoung is a university student in the Department of Business Administration. He is the true best friend of YeSeok. They are taking classes in the same department and even went to mandatory military service together. He is bright, positive, and sociable. 

        For YeSeok who is interested in YeonDu, he becomes YeSeok’s helper that creates opportunities for the two of them to connect. Although he went to the military at the age of twenty-three, he still believes in fate and is waiting for a movie-like meeting with his true love. But he thinks he found it. His destiny..! It is none other than Seol from the School of Design.

         

        "Best Mistake 3" (2021 Web Drama): Cast & Summary

        KOKTV

        Park EHyun as Ryu Seol

        She entered the same university as YeonDu through the selection of her artistic talents. Still, her personality is cool and hot, and her remarkably beautiful appearance is the same. She thought she was doing fine except for JuHo not being by her side... Suddenly Seo JuHo appeared! 

        In addition to that, she has been involved in a love triangle that was created unintentionally. Even with newcomer DaeYoung, who is constantly around, she’ll make sure of things herself. Specifically JuHo's feelings towards her, and her feelings towards Juho...!

         

        "Best Mistake 3" (2021 Web Drama): Cast & Summary

        KOKTV

        Yoon JunWon as Seo JuHo

        To JuHo all adults are liars! They tell him to do whatever he wants if he goes to college. But when he came back home after dropping out, he was kicked out. He has no choice but to live with HyunHo, who is on his own.

        He thought it would be cool to make a comeback in front of Seol, but he ends up in a competition with DaeYoung. The situation went from a love variety show to a survival show. But he won’t give up! He is the person Seol crossed a continent for, after all!

         

        "Best Mistake 3" (2021 Web Drama): Cast & Summary

        KOKTV

        Choe ChanYi as Jung JiSung

        JiSung is the only one of his friends who couldn’t get into college. But, this won’t break him! It was okay to take the college entrance exam bravely, but as he took the exam, he kept thinking that he is different from his college friends. 

        Campus photos, meetings, sports day... Whenever posts related to college life are posted on friends' SNS, JiSung's sense of alienation deepens. Still, he is getting tutored by YeonDu along with AhHun. He will definitely go to college this time. Please!

         

        "Best Mistake 3" (2021 Web Drama): Cast & Summary

        KOKTV

        Lee JungJun as Choi SeungHyun

        He was a high school baseball prospect that was talked about not only in domestic professional baseball but also in the major leagues. But due to a serious injury in the final tournament of high school, he decided to play for a college baseball team. 

        Now, he is preparing for a comeback and training hard. He has opened his heart to YuNa, who sincerely supports and cares for him. He has a huge crush on YuNa, but is suppressing his love cells as much as possible to focus on training. "I have no intention of dating. So don't do this to me and find someone else."

         

        "Best Mistake 3" (2021 Web Drama): Cast & Summary

        KOKTV

        Ju HyunYoung as Ahn YuNa

        She thought she failed the college entrance exam…fortunately she entered Jua University with an additional pass. She didn’t know Choi SeungHyun would be going to the same university though!

        Her unrequited love, which was temporarily shut down, will resume operations immediately and she will approach SeungHyun more actively than before. She will comfortably go all-in on SeungHyun... But why is Kang AhHun following us around so much? “You work hard because you like baseball. Because I like you, I will work hard to express my feelings for you.”

         

        "Best Mistake 3" (2021 Web Drama): Cast & Summary

        KOKTV

        woo!ah! Nana as Ara

        She repented for her past atrocities and joined the group a little later, and now she is building a real friendship with everyone. Except for one...! The decision she made in the past to use JiSung's heart, who liked her sincerely, keeps bothering her. 

        Is this feeling guilt, disappointment, or did she have real feelings for him? Still, she is holding back. When she finishes the college entrance exam she wants to have a drink alone with JiSung. Just the two of them.

         

        Poster & Teaser

        Here is one of the teasers.

        Here are the official posters.

        "Best Mistake 3" (2021 Web Drama): Cast & Summary

        KOKTV

        "Best Mistake 3" (2021 Web Drama): Cast & Summary

        KOKTV

        "Best Mistake 3" (2021 Web Drama): Cast & Summary

        KOKTV

        "Best Mistake 3" (2021 Web Drama): Cast & Summary

        KOKTV

        "Best Mistake 3" (2021 Web Drama): Cast & Summary

        KOKTV

        "Best Mistake 3" (2021 Web Drama): Cast & Summary

        KOKTV

        "Best Mistake 3" (2021 Web Drama): Cast & Summary

        KOKTV

        "Best Mistake 3" (2021 Web Drama): Cast & Summary

        KOKTV

        "Best Mistake 3" (2021 Web Drama): Cast & Summary

        KOKTV

         

        Links

        KOKTV V-LiveKOKTV YouTube

         

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