Despite the increasingly competitive Korean drama market, many series continue to attract strong attention thanks to unique storytelling, star-studded casts, and powerful word-of-mouth buzz.
1. The Judge Returns – 13.6%

Topping the rankings is a legal drama centered on a judge who returns to the courtroom after a personal tragedy. Alongside emotionally charged cases, the story gradually uncovers secrets tied to the protagonist’s own past. Its tense pacing and dramatic storytelling have helped the series maintain impressive momentum on television.
2. Undercover Miss Hong – 13.121%

Set in the late 1990s, this drama blends comedy, office politics, and financial investigations. The story follows a financial supervisor who secretly disguises herself as a rookie employee to infiltrate a suspicious securities company. Nostalgic vibes and strong performances from the cast have made it especially popular with mainstream viewers.
3. Perfect Crown – 11.2%

This drama explores brutal power struggles within a royal family where money and ambition turn relationships dangerous. Filled with political scheming and unexpected twists, the series has successfully maintained intense viewer interest with every episode.
4. Phantom Lawyer – 10.0%

Adding fantasy elements to the legal genre, the drama follows a mysterious lawyer who handles cases connected to restless spirits. Instead of relying on a traditional courtroom format, the series combines mystery and supernatural themes, attracting fans of darker and more unusual storytelling.
5. Filing For Love – 7.890%

The series centers on a former elite internal auditor reassigned to investigate minor company scandals. What begins as a revenge-driven mission slowly evolves into an emotional office romance. The drama has earned praise for its mature relationship dynamics and realistic portrayal of corporate life.
6. To My Beloved Thief – 7.7%

Love and freedom become difficult choices in this drama. The story follows a professional thief who becomes entangled in a dangerous romance, creating emotional tension while delivering a unique mix of suspense and heartfelt moments.
7. The Scarecrow – 7.410%

One of the darkest entries on the list, this thriller follows a detective investigating a serial murder case while being forced to work alongside a man he deeply despises. Spanning from 1988 to 2019, the series explores a 30-year search for truth while delving into the psychological wounds of its characters.
8. Spring Fever – 5.748%

This healing romance is set in a peaceful coastal town. The female lead, a reserved teacher recovering from heartbreak, slowly opens her heart again after meeting a warm-hearted man in the countryside. Its gentle pacing and comforting atmosphere have made it a favorite among fans of slice-of-life romance dramas.
9. Siren’s Kiss – 5.504%

Blending romance and mystery, the drama revolves around an insurance fraud investigation linked to a string of suspicious deaths. The appearance of a mysterious woman complicates the situation even further. Viewers have praised the show’s suspenseful atmosphere and layered storytelling.
10. The Practical Guide To Love – 4.968%

Closing out the list is a modern romance centered on a successful hotel manager who excels at work but struggles with relationships. The drama explores the balance between logic and emotion while portraying the romantic pressures faced by adults in contemporary society.
This year’s rankings highlight the continued diversity of Korean dramas. From legal thrillers and mysteries to fantasy stories and healing romances, each series has managed to build its own loyal audience. Beyond star power, these strong ratings also reflect viewers’ growing preference for emotionally grounded storytelling, polished scripts, and compelling character development.
Sources: Saostar

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