1. 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 8.263 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. 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.
4. 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.
5. 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.
6. 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.
7. 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 7.867 on TMDB.
8. 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.
9. 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.
10. 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.
Bored and unhappy as the Lord of Hell, Lucifer Morningstar abandoned his throne and retired to Los Angeles, where he has teamed up with LAPD detective Chloe Decker to take down criminals. But the longer he's away from the underworld, the greater the threat that the worst of humanity could escape.
It has an average vote of 8.486 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 8.434 on TMDB.
13. Are You Human? (너도 인간이니)
Nam Shin is a son from a family who runs a large company. After an unexpected accident, he falls into a coma. His mother Oh Ro-Ra is an authority on brain science and artificial intelligence. She creates an android named Nam Shin III which looks like just like her son Nam Shin. The android pretends to be Nam Shin and he has a bodyguard So-Bong.
It has an average vote of 8.515 on TMDB.
14. Healer (힐러)
Kim Moon Ho is a successful reporter at a mainstream news station, but when he stumbles upon a 10-year-old mystery, he's forced to dive into a subversive underground news agency. On his journey to break open the case, Moon Ho teams up with Chae Young Shin, a second rate tabloid writer, and Healer, a mysterious internet-based journalist. With his career and his safety on the line, who can Moon Ho trust in a world full of unreliable sources?
It has an average vote of 8.448 on TMDB.
15. 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.
16. 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 7.788 on TMDB.
17. Love Is In The Air (Sen Çal Kapımı)
Eda, who ties all her hopes to her education, confronts Serkan Bolat, who cuts off her international education scholarship and leaves her with high school diploma. Serkan Bolat offers Eda to give her scholarship back if she pretends to be his fiance for two months. Although Eda rejects the offer of this man as she hates him, she has to accept it when the conditions change. While pretending to be engaged, Serkan and Eda begin to experience a passionate, challenging relationship that will make them forget all they know right. Because love is difficult. And that's why it's amazing.
It has an average vote of 8.19 on TMDB.
18. Doctor Stranger (닥터 이방인)
As a child, Park Hoon and his dad were kidnapped and taken to North Korea. He grew up there, learning to be a doctor just like his father. When Park Hoon escapes back to South Korea and begins work at a prestigious hospital, he makes it his goal to earn enough money to go back to North Korea to rescue his true love. He'll do anything to find her, but then he meets and falls for a mysterious woman who looks exactly like her.
It has an average vote of 8.151 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 7.833 on TMDB.
20. Demon Slayer: Kimetsu no Yaiba (鬼滅の刃)
It is the Taisho Period in Japan. Tanjiro, a kindhearted boy who sells charcoal for a living, finds his family slaughtered by a demon. To make matters worse, his younger sister Nezuko, the sole survivor, has been transformed into a demon herself. Though devastated by this grim reality, Tanjiro resolves to become a “demon slayer” so that he can turn his sister back into a human, and kill the demon that massacred his family.
It has an average vote of 8.7 on TMDB.
21. Grey's Anatomy
Follows the personal and professional lives of a group of doctors at Seattle’s Grey Sloan Memorial Hospital.
It has an average vote of 8.256 on TMDB.