1. 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 8.405 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 8.661 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 8.2 on TMDB.
4. She Was Pretty (그녀는 예뻤다)
After a complete reversal of fortune and looks, childhood sweethearts reunite for the first time in 15 years as employees at a fashion magazine.
It has an average vote of 8.26 on TMDB.
5. The Heirs (상속자들)
After a chance encounter in LA, two teens from different social backgrounds reunite at an exclusive high school attended by Korea's über rich.
It has an average vote of 7.8 on TMDB.
6. 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 8.083 on TMDB.
7. 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 8.339 on TMDB.
8. 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 8.02 on TMDB.
9. 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 8.698 on TMDB.
10. The King: Eternal Monarch (더 킹 : 영원의 군주)
Korean emperor Lee Gon tries to close the doors to a parallel world which was opened by demons; a detective tries to protect the people and the one she loves.
It has an average vote of 8.424 on TMDB.
11. 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 8.605 on TMDB.
12. Rebelde (Rebelde)
Six teenagers with different lives and personalities attend a prominent private school with only one thing in common: their vocation and passion for music.
It has an average vote of 8.433 on TMDB.
13. American Horror Story
An anthology horror drama series centering on different characters and locations, including a house with a murderous past, an asylum, a witch coven, a freak show, a hotel, a farmhouse in Roanoke, a cult, the apocalypse and a summer camp.
It has an average vote of 8.1 on TMDB.
14. Shadow Hunter
A documentary series about the paranormal, hosted by Darryll Walsh, a ghost hunter, best-selling author and doctor of parapsychology.
It has an average vote of 8.6 on TMDB.
15. Big Time Rush
Four teenage friends move from Minneapolis to Los Angeles to form a potential chart-topping boy band after Kendall is inadvertently discovered by an eccentric record executive, Gustavo Rocque. As they seize this opportunity of a lifetime, these friends embark on an exciting comedy and music-filled journey to prove to themselves and their record label that they are serious about their new career choice.
It has an average vote of 8.635 on TMDB.
16. Hi! School - Love On (하이스쿨: 러브온)
High school may be tough, but Woo Hyun has a guardian angel looking over him — literally. Disguised as a naive high schooler, Lee Seul Bi descends from the heavens to protect Woo Hyun's life, but discovers she's got a thing or two to learn about life as a teenager, including the pains of falling in love. Can this cherubic guardian protect the apple of her eye and also manage to survive high school?
It has an average vote of 7.9 on TMDB.
17. Mischievous Kiss (장난스런 키스)
A clumsy high-school girl - Oh Ha-ni - is at the bottom of her class, and she has had a crush on a popular genius, Baek Seung-Jo, ever since she first laid eyes on him.
It has an average vote of 7.778 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 7.831 on TMDB.
19. Euphoria
A group of high school students navigate love and friendships in a world of drugs, sex, trauma, and social media.
It has an average vote of 8.354 on TMDB.
20. Stranger Things
When a young boy vanishes, a small town uncovers a mystery involving secret experiments, terrifying supernatural forces, and one strange little girl.
It has an average vote of 8.626 on TMDB.
21. Pinocchio (피노키오)
Choi Dal-po, a man whose family was ruined by a news channel, and Choi In-ha, his friend who has the Pinocchio Syndrome forbidding her from speaking lies, become journalists and strive to fight for justice.
It has an average vote of 8.3 on TMDB.