1. I Am Not a Robot (로봇이 아니야)
Kim Min Gyu has wealth and success, but lives an isolated life due to his allergy of people. He then meets and falls in love with a girl who is pretending to be a robot for her ex-boyfriend, a genius robots professor.
It has an average vote of 8.373 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 8.703 on TMDB.
3. It's Okay to Not Be Okay (사이코지만 괜찮아)
Desperate to escape from his emotional baggage and the heavy responsibility he’s had all his life, a psychiatric ward worker begins to heal with help from the unexpected—a woman who writes fairy tales but doesn’t believe in them.
It has an average vote of 8.586 on TMDB.
4. 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 8.434 on TMDB.
5. Weightlifting Fairy Kim Bok-Joo (역도요정 김복주)
A spunky female weightlifter and free-spirited male swimmer meet on campus, only to find out their pasts may be intertwined.
It has an average vote of 8.642 on TMDB.
6. W: Two Worlds Apart (W: Two Worlds Apart)
After being pulled into the webtoon world created by her father, a surgical resident gets entangled in a murder mystery involving the story's hero.
It has an average vote of 8.5 on TMDB.
7. Boys Over Flowers (꽃보다 남자)
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 8.3 on TMDB.
8. My Love From Another Star (별에서 온 그대)
An alien who came to Earth 400 years ago is almost able to return to his own planet, but when he meets a famous actress, he doesn't want to go home.
It has an average vote of 8.3 on TMDB.
9. Elite (Élite)
When three working class kids enroll in the most exclusive school in Spain, the clash between the wealthy and the poor students leads to tragedy.
It has an average vote of 8.1 on TMDB.
10. Personal Taste (개인의 취향)
Jin-ho Jeon is a very stylish young man with the perfect looks. Jin-ho has also some faults which include being self-centered and obsession with cleanliness. Jin-ho Jeon then comes across Gae-in Park, a woman hurt by love and is now looking for a gay roommate/friend. Jin-ho wanting to live with the woman, then pretends to be a gay male.
It has an average vote of 8.017 on TMDB.
11. 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.
12. Money Heist (La Casa de Papel)
To carry out the biggest heist in history, a mysterious man called The Professor recruits a band of eight robbers who have a single characteristic: none of them has anything to lose. Five months of seclusion - memorizing every step, every detail, every probability - culminate in eleven days locked up in the National Coinage and Stamp Factory of Spain, surrounded by police forces and with dozens of hostages in their power, to find out whether their suicide wager will lead to everything or nothing.
It has an average vote of 8.261 on TMDB.
13. 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.
14. What's Wrong with Secretary Kim (김비서가 왜 그럴까)
Lee Young-Joon's family runs a large company and he works as the vice-president of the company. He is smart, rich and handsome, but he is arrogant. His secretary is Kim Mi-So. She has worked for him for years and she is perfect for him, but Kim Mi-So decides to quit her job.
It has an average vote of 8.404 on TMDB.
15. 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 8.079 on TMDB.
16. 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 8.487 on TMDB.
17. Doctors (닥터스)
A recalcitrant, delinquent teen girl meets a compassionate teacher, who inspires her to alter her path and become a street-savvy neurosurgeon.
It has an average vote of 8.234 on TMDB.
18. 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 7.833 on TMDB.
19. The Witcher
Geralt of Rivia, a mutated monster-hunter for hire, journeys toward his destiny in a turbulent world where people often prove more wicked than beasts.
It has an average vote of 8.162 on TMDB.
20. The Umbrella Academy
A dysfunctional family of superheroes comes together to solve the mystery of their father's death, the threat of the apocalypse and more.
It has an average vote of 8.616 on TMDB.
21. Tokyo Ghoul (東京喰種トーキョーグール)
Ken Kaneki is a bookworm college student who meets a girl names Rize at a cafe he frequents. They're the same age and have the same interests, so they quickly become close. Little does Kaneki know that Rize is a ghoul – a kind of monster that lives by hunting and devouring human flesh. When part of her special organ – "the red child" – is transplanted into Kaneki, he becomes a ghoul himself, trapped in a warped world where humans are not the top of the food chain.
It has an average vote of 8.411 on TMDB.