1. 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.
2. 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.
3. 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.
4. My Only Love Song (마이 온리 러브송)
Song Soo-Jung is an arrogant pop star who believes not only that status and money can get you anywhere, but that it defines your worth. She accidentally falls into a time-slip portal and travels back in time to the Joseon era where she meets On-Dal, a man who loves money yet is generous to those without.
It has an average vote of 8.161 on TMDB.
5. 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.
6. 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.
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 8.544 on TMDB.
8. 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.
9. Healer (힐러)
A star reporter, a second-rate journalist and a man by the code name "Healer" are brought together by a long-buried incident that hides dark truths.
It has an average vote of 8.4 on TMDB.
10. Friends
Six young people from New York City, on their own and struggling to survive in the real world, find the companionship, comfort and support they get from each other to be the perfect antidote to the pressures of life.
It has an average vote of 8.444 on TMDB.
11. The Magicians
Brakebills University is a secret institution specializing in magic. There, amidst an unorthodox education of spellcasting, a group of twenty-something friends soon discover that a magical fantasy world they read about as children is all too real— and poses grave danger to humanity.
It has an average vote of 7.654 on TMDB.
12. Hi Bye, Mama! (하이바이, 마마!)
When the ghost of a woman gains a second chance at life for 49 days, she reappears in front of her remarried husband and young daughter.
It has an average vote of 8.114 on TMDB.
13. Riverdale
Set in the present, the series offers a bold, subversive take on Archie, Betty, Veronica and their friends, exploring the surreality of small-town life, the darkness and weirdness bubbling beneath Riverdale’s wholesome facade.
It has an average vote of 8.479 on TMDB.
14. 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.
15. 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.
16. 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.
17. 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 8.572 on TMDB.
18. 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.
19. Start-Up (스타트업)
Young entrepreneurs aspiring to launch virtual dreams into reality compete for success and love in the cutthroat world of Korea's high-tech industry.
It has an average vote of 8.367 on TMDB.
20. 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 8.422 on TMDB.
21. iCarly
Watch Carly, Sam, and Freddie, as they try to balance their everyday 8th grade lives with their newfound fame managing and starring in the most awesome show on the web.
It has an average vote of 7.991 on TMDB.