1. 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 8.6 on TMDB.
2. My First First Love (첫사랑은 처음이라서)
Due to various personal reasons, a group of Yun Tae-o’s friends move into his house, where they experience love, friendship, and everything in between.
It has an average vote of 8.3 on TMDB.
3. W: Two Worlds Apart (더블유)
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.
4. Meteor Garden (流星花园)
An ordinary girl is admitted to the most prestigious school in the country where she encounters F4, an exclusive group comprised of the four wealthiest and handsomest boys in the school - Dao Ming Si, Hua Ze Lei, Xi Men and Mei Zuo.
It has an average vote of 8.473 on TMDB.
5. Sky of Love: Someone I love is there (恋空)
An ordinary senior high school girl named Mika meets Hiro, a showy boy with dyed hair and pierced ears. It is a "pure love" story of the two going through many unimaginably sad incidents while nurturing their love single-mindedly. It not only depicts the first love of the senior high school couple but also weaves "a story of Mika and Hiro" through episodes probably familiar to anybody, such as warmth and affection of their family members supporting the two, importance of living, interactions with friends, and so on.
It has an average vote of 7.6 on TMDB.
6. 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.
7. 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 8.3 on TMDB.
8. The School Nurse Files (보건교사 안은영)
Wielding a light-up sword through the dark corners of a high school, a nurse with an unusual gift protects students from monsters only she can see.
It has an average vote of 7.414 on TMDB.
9. A Love So Beautiful (아름다웠던 우리에게)
Love is as tough as it is sweet for a lovestruck teenager, whose relationship with her next-door neighbor transforms as they grow into adulthood.
It has an average vote of 8.383 on TMDB.
10. BOYS OVER FLOWERS (花より男子)
Set at a famous high school for the super-wealthy, this is a puppy love story centered on Tsukushi Makino, a poor girl, and the F4 gang of rich kids headed by the rough and fearless Prince Charming, Tsukasa Domyoji.
It has an average vote of 8.063 on TMDB.
11. Sweet Home (스위트홈)
As humans turn into savage monsters and the world plunges into terror, a handful of survivors fight for their lives — and to hold on to their humanity.
It has an average vote of 8.338 on TMDB.
12. 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 8.249 on TMDB.
13. Navillera (나빌레라)
A 70-year-old with a dream and a 23-year-old with a gift lift each other out of harsh realities and rise to the challenge of becoming ballerinos.
It has an average vote of 8.576 on TMDB.
14. Lovestruck in the City (도시남녀의 사랑법)
Heart stolen by a free-spirited woman after a beachside romance, a passionate architect sets out to reunite with her on the streets of Seoul.
It has an average vote of 7.725 on TMDB.
15. 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 7.875 on TMDB.
16. Hotel Del Luna (호텔 델루나)
When he's invited to manage a hotel for dead souls, an elite hotelier gets to know the establishment's ancient owner and her strange world.
It has an average vote of 8.535 on TMDB.
17. Weightlifting Fairy Kim Bok-joo (역도요정 김복주)
A competitive swimmer crosses paths with his childhood friend, a rising weight lifting star, and realizes that she has a secret crush on his cousin.
It has an average vote of 8.631 on TMDB.
18. Girl from Nowhere (เด็กใหม่)
A mysterious, clever girl named Nanno transfers to different schools, exposing the lies and misdeeds of the students and faculty at every turn.
It has an average vote of 8.49 on TMDB.
19. 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 8.631 on TMDB.
20. 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 8.29 on TMDB.
