The story of "She Would Never Know" is adapted from the popular online novel by the same name Elizeu published in 2017
She Would Never Know 2021 (Korean drama) Cast & plot synopsis
| She Would Never Know | |
|---|---|
| Poster |  |
| Original title | 선배, 립스틱을 쓰지 마 |
| Subtitle | English |
| A.k.a | seonbae, libseutig-eul sseuji ma, Sunbae, libseutigeul sseuji ma, Sunbae, Don't Put That Lipstick On, sunbae, seonbae, Senior, Don't Apply That Lipstick, Geu Lipstick Bareujimayo, geu libseutik baleuji mayo, 선배, 립스틱을 쓰지 마 |
| Director | Lee Dong Yoon |
| Screenwriter | Chae Yoon |
| Genres | Comedy, Romance |
| Country | South Korea |
| Total Episodes | 16 |
| Release Date | Jan 18, 2021 / Mar 9, 2021 |
| Airs On | Monday, Tuesday |
| Broadcast Channel | jTBC, iQiyi |
| Runtime | 60 min. |
Ongoing Korean drama list 2020
Synopsis: She Would Never Know
Based on the popular Web novel of the same name. It tells the love story between a lovely "sunbae" (someone senior at work, school, or in an industry) and a bold "hoobae" (junior): beautiful appearance, cute, sexy and serious aura. Won Jin Ah plays as Yoon Song Ah, and she works as a professional brand marketer in a cosmetics company. She dreams of having her own cosmetics brand one day. Rowoon will play Chae Hyun Seung, the direct marketer of the hoobae cosmetics brand. Edit Synopsis
Main Character: She Would Never Know
Won Jin Ah as Yoon Song Ah 
Lee Hyun Wook as Lee Jae Shin 
Ro Woon as Chae Hyun Seung 
Lee Joo Bin as Lee Hyo Joo Supporting Cast: She Would Never Know
- Wang Bit Na as Chae Ji Seung
- Ha Yoon Kyung as Chae Yun Seung
- Lee Kyu Han as Lee Jae Woon
- Ahn Se Ha - Kwon Sung Yeon
- Lee Ji Hyun - Oh Wol Sun
- Hey Jini - Kim Ga Young (Song Ah's friend)
- Kim Hye In
- Park So Yi - Kang Ha Eun
- Kim Han Na
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