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        "She Would Never Know" (2021 Drama): Cast & Summary

        Find out about the cast and summary of Korean drama "She Would Never Know" with SF9's RoWoon, Won JinAh, Lee HyunWook and Lee JooBin.

        Laure, Kpopmap Editor
        5 min to read  ·  Published : Jan 14, 2021 · Updated : Feb 17, 2023
        "She Would Never Know" (2021 Drama): Cast & Summary

        JTBC

        "She Would Never Know" (English title) or "Sunbae, Don't Put On That Lipstick" (Korean title) is an office romance comedy that is already interesting many.

        SF9's RoWoon and Won JinAh are the leads of this drama. RoWoon has acted in “School 2017” (2017), “About Time” (2018), and “Where Stars Land” (2018). But he especially gained attention for his good acting with the hit drama "Extraordinary You" in 2019 for which he gained several awards. Many are looking forward to his next project.

        Won JinAh is mostly known overseas for her lead role in "Life" (2018) with Lee DongWook and "Melting Me Softly" (2019) with Ji ChangWook. Lee HyunWook ("Search") and Lee JooBin ("Ga DooRi's Sushi Restaurant") are also lead actors.

        RoWoon (born in 1996, 189.7 cm) and Won JinAh (born in 1991, 163 cm) have a 5-year age difference and 26.7 cm height difference.

        The story of "She Would Never Know" or "Sunbae, Don't Put On That Lipstick" is based on a popular web novel of the same title of Elizeu published in 2017. The webtoon version (by Cafe Latte and Jinha) was released on Jan. 4 (check for more about it below).

        Here is more information.

         

        She Would Never Know (2021)

        "She Would Never Know" (2021 Drama): Cast & Summary

        JTBC

         

        Information

        Title: She Would Never Know / Sunbae, Don't Put On That Lipstick/Seonbae, geu ripseutik bareuji mayo /선배, 그 립스틱 바르지 마요

        Director: Lee DongYoon

        Writer: ChaeYoon Story by Elizeu

        Network: JTBC

        Runtime: From Jan. 18

        # of Episodes: 16

        Genre: Office romance

        Language: Korean

         

        Summary

        "It's the romance that started without me knowing."

        It tells the complicated office love story of sunbae SongAh and hoobae HyunSeung who has a one-sided love for her.

         

        Cast

        "She Would Never Know" (2021 Drama): Cast & Summary

        JTBC

        Won JinAh as Yoon SongAh

        SongAh is a lovely sunbae (28-year-old) who has been working for the cosmetic brand KLAR as a marketer for 3 years.

        Because of her gentle looks, people come talking to her comfortably but some people also look down on her. She is passionate about her work as a cosmetic marketer and wants to launch her own cosmetic branch.

        She has been dating the team leader JaeShin in secret for 2 years.

         

        "She Would Never Know" (2021 Drama): Cast & Summary

        SF9's RoWoon as Chae HyunSeung

        HyunSeung (27-year-old) has been working for the cosmetic brand KLAR as a marketer for 1 year.

        He is handsome, smart, considerate, and has good values. He is a good man who is serious about love. He makes people fall for him in less than 10 minutes.

        He learned good values from his father who is a judge and his mother who is a famous wedding dress designer.

         

        "She Would Never Know" (2021 Drama): Cast & Summary

        JTBC

        Lee HyunWook as Lee JaeShin

        JaeShin (35-year-old) is the team leader of KLAR marketing team where SongAh and HyunSeung are.

        He is capable and has been increasing the sales of the brand significantly. He is a good team leader. He looks like he is not lacking anything. However, he has nothing. His mother left him at a young age with his swindler father.

        He can't refuse to meet HyoJoo because it was a request from his friend JaeWoon who saved him from his poor situation.

         

        "She Would Never Know" (2021 Drama): Cast & Summary

        JTBC

        Lee JooBin as Lee HyoJoo

        HyoJoo (27-year-old) is the granddaughter of the founder of KLAR. She is a promising photographer who hides her loneliness with her cold look and fancy fashion. She is a lonely person.

        She is the sister of JaeShin's friend JaeWoon and he was her first love. She tried her best to win his heart.

         

        Teaser & Posters

        Here is one of the teasers.

        Here are the official posters.

        "She Would Never Know" (2021 Drama): Cast & Summary

        JTBC

        "She Would Never Know" (2021 Drama): Cast & Summary

        JTBC

        "She Would Never Know" (2021 Drama): Cast & Summary

        JTBC

        "She Would Never Know" (2021 Drama): Cast & Summary

        JTBC

         

        About the Web Novel

        "Sunbae, Don't Put On That Lipstick" is the drama adaptation of the popular web novel of Elizeu published in 2017 of the same title. You can read it here in Korean, the first five chapters are free.

        Here is a look at the cover of the book.

        "She Would Never Know" (2021 Drama): Cast & Summary

        "Sunbae, Don't Put On That Lipstick"

        Here is the plot of the web novel, it might contain spoilers.

        HyunSeung has a one-sided love for SongAh (who is one year older than him). He got to see her kissing the team manager JaeShin. However, HyunSeung knows that JaeShin has a girlfriend and realizes that he is a cheater. To protect the girl he likes, HyunSeung decides to tell her about it and also confesses his feelings. She asks HyunSeung to pretend to date her to take revenge on JaeShin.

         

        About the Webtoon

        The webtoon version of the drama (by Cafe Latte and Jinha) released its first episode on Jan. 4. JTBC studios and Jaedam Media are working together to release the webtoon and the drama together.

        "She Would Never Know" (2021 Drama): Cast & Summary

        Jaedam Media x JTBC studios

        "She Would Never Know" (2021 Drama): Cast & Summary

        Jaedam Media x JTBC studios

        You can read the webtoon in Korean here. The webtoon was announced to be soon available in Thailand, Indonesia, China, Japan, Taiwan, and France on Naver Webtoon Global Platform.

         

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