The lineup of January 2026 Kdramas is absolutely stacked , romance, fantasy, historical action, web-novel adaptations, and feel-good rom-coms all landing in the same month. Fans are calling it one of the strongest New Year openings ever. Below is your full guide: plots, cast, networks, episode counts, and everything you can expect this January.

To My Beloved Thief

Network: KBS2
Release: 3 January 2026
Episodes: 16
Produced by: Studio Dragon

Plot Synopsis :
This highly-anticipated drama contains a dangerous and great romance between a woman who accidentally becomes the world’s greatest thief and the great prince who was chasing her. When their souls unexpectedly switch, the two must navigate chaos, secrets, and forbidden feelings. As they save each other again and again, they ultimately fight to protect their people — making this a thrilling blend of fantasy and deep emotional connection.

Broadcast Time: Sat/Sun | 21:20–22:30
Cast : NamJihyun , MoonSangmin , HongMinki , HanSoeun

The Judge Returns

Network: MBC
Release: 2 January 2026
Episodes: 14

Plot Synopsis :

MBC’s upcoming drama THE JUDGE RETURNS dropped intense still cuts of Ji Sung and Won Jin Ah.
The series, follows corrupt judge Lee Han Young (Ji Sung) who gets thrown 10 years into the past. With this unexpected second chance, he boldly flips the script, targeting the same powerful villains he once served. Dark, sharp, and revenge-driven — this is one of the most anticipated thrillers of the year.

Based on a popular web novel and webtoon, “The Judge Returns” boasts impressive viewership numbers, with over 102.47 million views across both platforms. The team’s previous works, such as “The Banker” and “The Spies Who Loved Me,” showcase their expertise in crafting engaging narratives

Cast : JiSung , WonJinAh

READ MORE << Top 20 Best ROMCOM KDramas You Must Watch

Spring Fever

Network: tvN & Prime Video
Release: 5 January 2026
Episodes: 12

Plot Synopsis :

A soft, emotional romance that follows two people whose unexpected connection leads to a warm whirlwind of emotions. Set against charming encounters and subtle tension, the story explores themes of timing, vulnerability, and taking a chance on love. A perfect feel-good watch for anyone craving something cozy for winter.

Knetz reaction on Theqoo – The face combination is so good? – It really looks like the webtoon’s style – Bohyun is always great playing webtoon character – I read the original and bohyun looks great in it – It suits bohyun well – They look good – Joobin is lovely

Cast : AhnBoHyun , LeeJooBeen

I’m Human From Today

Network: SBS & Netflix
Release: 16 January 2026
Episodes: 12

Plot Synopsis :
Human From Today (Korean: 오늘부터 인간입니다만) is an upcoming South Korean rom-com co-written by Park Chan-young and Jo Ah-young, directed by Kim Jung-kwon, starring Kim Hye-yoon and Lomon. The story depicts a nine-tailed fox woman who transforms into a human after an unexpected accident with a renowned soccer star. Magical chaos, sweet romance, and comedic moments blend into this unique fantasy love story.

Miss Undercover Boss

Network: tvN
Release: 17 January 2026
Episodes: 16
Produced by: Studio Dragon

Plot Synopsis :

This drama features GoKyungPyo and ParkShinHye in a retro office comedy set just before the 1997 IMF financial crisis.
Hong Geum-bo, a notorious 35-year-old elite financial regulator, goes undercover as a clueless, 20-year-old entry-level employee to carry out a secret mission. Meanwhile, Shin Jung-woo (Go Kyung Pyo), a corporate raider with hidden ambitions, returns as the newly appointed CEO of Hanmin Securities.

Directed by Park Seon-ho (Business Proposal) and written by Moon Hyun-kyung (Memorials).
Perfect for fans of mystery, humor, and nostalgic vibes.

God’s Bead

Network: JTBC
Release: 17 January 2026
Episodes: 12

Plot Synopsis :

This historical military action melodrama is set in the Goryeo Dynasty (1258 AD) during the intense 30-year war with the Mongol Empire.
The story follows the heroic struggle of a convoy searching for sacred national relics, and the courageous princess determined to protect them.

Yoon Kyun-sang plays Wang Mu, a royal guard officer and first love of Princess Wang Hee. Known for his powerful acting in House of Lies, Doctors, and Rebel, viewers are excited to see him in a bold, fierce role.

Cast : YoonKyunSang

Can This Love Be Translated?

Platform: Netflix
Release: January 2026
Episodes: 12

Plot Synopsis :

Kim Seon Ho and Go Youn Jung star in this heartfelt romance about multilingual translator Ju Ho Jin and top star Cha Mu Hee, two people with completely opposite views on love. Their clashes, misunderstandings, and slow emotional growth create a rich, soft romance filled with nuance.

Written by the legendary Hong Sisters, the minds behind Alchemy of Souls and Hotel Del Luna.
A must-watch for fans of emotional storytelling.

Cast : KimSeonHo , GoYounJung

January is packed with a powerful mix of romance, fantasy, action, comedy, and historical legends. If you’re a fan of Korean dramas, January 2026 Kdramas are going to keep you fully booked and fully excited.