1. Flower of Evil (악의 꽃)
Hiding a twisted past, a man maintains his facade as the perfect husband to his detective wife — until she begins investigating a series of murders.
It has an average vote of 8.222 on TMDB.
2. Goblin (쓸쓸하고 찬란하神-도깨비)
In his quest for a bride to break his immortal curse, a 939-year-old guardian of souls meets a grim reaper and a sprightly student with a tragic past.
It has an average vote of 8.702 on TMDB.
3. Extracurricular (인간수업)
Determined to escape a dead-end life, a gifted high school student turns to a world of serious crime to ensure he can pay for college.
It has an average vote of 8.205 on TMDB.
4. Boys Over Flowers (꽃보다 남자)
A working class girl winds up at an exclusive prep school. Unassuming high school girl Jan Di stands up to — and eventually falls for — a spoiled rich kid who belongs to the school's most powerful clique.
It has an average vote of 8.256 on TMDB.
5. W: Two Worlds Apart (W: Two Worlds Apart)
W, a webtoon, is written and drawn by Yeon-joo's father and follows rich boy vigilante Chul as he attempts to find the culprit who murdered his family one fateful night. Despite the webtoon's popularity, Yeon-joo's father, Seong-moo, plans to abruptly end it by having Chul killed off.
It has an average vote of 8.501 on TMDB.
6. True Beauty (여신강림)
Lim Ju-kyung is a high school student. Since she was little, she has had a complex about her appearance. To hide her bare face, Ju-kyung always wears make-up. Her excellent make-up skills make her pretty and she hides her bare face in front of others. She gets involved with 2 men; Lee Su-ho and Han Seo-jun.
It has an average vote of 8.488 on TMDB.
7. My Holo Love (나 홀로 그대)
Unexpected love finds a lonely woman when she forms a connection with a humanlike hologram who looks exactly like his prickly creator.
It has an average vote of 8.5 on TMDB.
8. Stairway to Heaven (천국의 계단)
Song Ju and Jeong Seo who have lost a father and a mother respectively spend their childhood together like real siblings. Song Ju is there for Jeong Seo whenever she feels lonely and has a hard time, and Jeong Seo also relies a lot on Song Ju. However, after Jeong Seo's father gets married to Tae Mi Ra, Mi Ra and her daughter Yu Ri keep harassing Jeong Seo out of jealousy. Tae Hwa, Yu Ri's rough and wild older brother, has a crush on Jeong Seo who is pure and kind unlike him.
It has an average vote of 8.081 on TMDB.
9. Love Alarm (좋아하면 울리는)
Love Alarm is an app that tells you if someone within a 10-meter radius has a crush on you. It quickly becomes a social phenomenon. While everyone talks about it and uses it to test their love and popularity, Jojo is one of the few people who have yet to download the app. However, she soon faces a love triangle situation between Sun-oh whom she starts to have feelings for, and Hye-young, who has had a huge crush on her.
It has an average vote of 8.4 on TMDB.
10. The Great
A genre-bending, anti-historical ride through 18th century Russia following the rise of Catherine the Nothing to Catherine the Great and her explosive relationship with husband Peter, the emperor of Russia.
It has an average vote of 8.17 on TMDB.
11. Hotel Del Luna (호텔 델루나)
The Hotel Del Luna, located in Seoul, is not like any other hotel: its clients are all ghosts. Jang Man-wol, stuck in the hotel for the past millennium, meets Goo Chan-sung, the new manager.
It has an average vote of 8.59 on TMDB.
12. The King: Eternal Monarch (더 킹 : 영원의 군주)
Lee Gon is the third Korean emperor of his generation. His citizens regard him as the perfect leader. But behind this flawless appearance, hides a deep wound. When he was eight years old, his father was murdered before his eyes following a coup. Today, instead of respecting his filial duty, he prefers to escape the palace to attend university conferences. During one of his escapades, he sees himself propelled into a parallel world where he meets Jeong Tae Eul, an inspector with whom he teams up with to defeat the criminals but also close the door between their two worlds.
It has an average vote of 8.436 on TMDB.
13. Anne with an E
A coming-of-age story about an outsider who, against all odds and numerous challenges, fights for love and acceptance and for her place in the world. The series centers on a young orphaned girl in the late 1890’s, who, after an abusive childhood spent in orphanages and the homes of strangers, is mistakenly sent to live with an elderly woman and her aging brother. Over time, 13-year-old Anne will transform their lives and eventually the small town in which they live with her unique spirit, fierce intellect and brilliant imagination.
It has an average vote of 8.704 on TMDB.
14. My Love From Another Star (별에서 온 그대)
Do Min Joon is an otherworldly beauty, literally. After crash landing on Earth 400 years ago, Min Joon has diligently observed humans for centuries, ultimately coming to cynical conclusions. On top of being a super babe, Min Joon's got enhanced vision, hearing and agility — all the more reason to believe he's superior to everyone on Earth. That is, until he pursues the beautiful actress Cheon Song Yi for a romance out of this world.
It has an average vote of 8.349 on TMDB.
15. All of Us Are Dead (지금 우리 학교는)
A high school becomes ground zero for a zombie virus outbreak. Trapped students must fight their way out — or turn into one of the rabid infected.
It has an average vote of 8.368 on TMDB.
16. The Vampire Diaries
The story of two vampire brothers obsessed with the same girl, who bears a striking resemblance to the beautiful but ruthless vampire they knew and loved in 1864.
It has an average vote of 8.3 on TMDB.
17. She Was Pretty (그녀는 예뻤다)
Ji Sung Joon has a crush on the most beautiful girl in town, Kim Hye Jin - the only problem is, he's unattractive and lacks self-esteem. As fate would have it, years later Sung Joon grows up to be not only successful, but extremely attractive. However, when he runs into his first love Hye Jin, she has become unattractive and poor. Can their love transcend the vanity they both associated with each other?
It has an average vote of 8.3 on TMDB.
18. BTS In the SOOP (In the SOOP BTS편)
'In the SOOP BTS ver.' is a reality show, portraying BTS members' everyday life, relaxation, and everything in between, away from the city life. A time of freedom and healing in a place for BTS, and BTS only.
It has an average vote of 8.6 on TMDB.
19. Squid Game (오징어 게임)
Hundreds of cash-strapped players accept a strange invitation to compete in children's games—with high stakes. But, a tempting prize awaits the victor.
It has an average vote of 7.834 on TMDB.
20. Loki
After stealing the Tesseract during the events of “Avengers: Endgame,” an alternate version of Loki is brought to the mysterious Time Variance Authority, a bureaucratic organization that exists outside of time and space and monitors the timeline. They give Loki a choice: face being erased from existence due to being a “time variant” or help fix the timeline and stop a greater threat.
It has an average vote of 8.164 on TMDB.
21. Descendants of the Sun (태양의 후예)
After a chance meeting in a hospital, an ardent soldier falls for a gifted surgeon. Opposing philosophies tear them apart, but fate has other plans.
It has an average vote of 8.447 on TMDB.