New K-dramas in September 2025 and where to watch them

New K-dramas in September 2025 and where to watch them

September 2025 has exciting new K-dramas across various genres, including romance, thrillers, drama, and action. New K-dramas in September 2025 include My Youth, Queen Mantis, Tempest, First Lady, and You and Everything Else. You can catch shows on networks like Netflix, Disney+, Hulu, Prime Video, and JTBC.

Watch Walking on Thin Ice (L), A Hundred Memories (C), and Ms. Incognito (R) posters
Watch Walking on Thin Ice (L), A Hundred Memories (C), and Ms. Incognito (R) this September. Photo: @shinleeinah, @actress_jeonyeobeen on Instagram (modified by author)
Source: UGC

TABLE OF CONTENTS

Key takeaways

  • Highly anticipated romance K-dramas include To the Moon and A Hundred Memories.
  • Thriller fans can catch Walking on Thin Ice on KBS2 from 20 September, and Ms. Incognito from 29 September on ENA.
  • Netflix will premiere Queen Mantis on 5 September and You and Everything Else on 12 September.
  • Disney+ will premiere Tempest on 10 September and The Murky Stream on 26 September.

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New K-dramas in September 2025

Korean television continues to deliver an exciting lineup of fresh shows that will premiere on various platforms. Below is a comprehensive list of new K-dramas and where to watch them.

My Youth (5 September)

  • Genre: Youth, Romance drama
  • Directors: Lee Sang-yeop, Go Hye-jin
  • Main cast: Song Joong-ki, Lee Joo-myung, Chun Woo-hee, Seo Ji-hoon
  • Network: JTBC

My Youth K-drama, starring Song Joong-ki, Lee Joo-myung, and Chun Woo-hee, is a new romance drama by movie director Lee Sang-yeop. It follows the story of Sun‌ Woo-hae, a former child actor now working as a florist and novelist. She reunites with her first love, Sung Je-yeon, after 15 years.

Queen Mantis (5 September)

  • Genre: Mystery thriller
  • Director: Byun Young-joo
  • Main cast: Go Hyun-jung, Jang-yoon, Cho Seong-Ha, Lee El, Kim Bo-Ra
  • Network: SBS TV, Netflix

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Queen Man​tis is a new K-drama coming in September 2025 on Netflix and SBS⁠. The show follows Jung Yi-sh​in, a female serial killer known as The Mantis, who has been in prison for 20 years.

The police seek her help when new murders copy her old crimes. Her son, Cha Soo-yeol, now a detective, must work with his mother even though he hates her.

Confidence Queen (6 September)

  • Genre: Crime, comedy
  • Director: Nam Ki Hoon
  • Main cast: Park Min-young, Park Hee-soon, Joo Jong-hyuk
  • Network: TV Chosun, Coupang Play, Prime Video

Confidence Queen will premiere on 6 September on TV Chosun, Coupang Play, and Amazon Prime Video. The new comedy-crime drama is about Yoon Yi-rang,‌ a genius con artist who leads a gang of scam artists. The gang, however, uses its skills to help society by exposing corruption and reclaiming money gained illegally in the real estate and financial world.

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Tempest (10 September)

  • Genre: Spy romance
  • Director: Heo Myung-haeng
  • Main cast: Jun Ji-hyun, Gang-won, John Cho, Lee Mi-sook
  • Network: Disney+, Hulu

Tempest is a highly anticipated spy romance TV series written by Jeong Seo-kyeong and directed by Heo Myung-haeng. The show revolves around Mun-ju, a former diplomat, as she investigates an assassination attempt on a presidential candidate.

San-ho, a mysterious special agent, becomes her ally and protector as she uncovers a conspiracy that threatens the stability of the Korean peninsula. The first three episodes drop on 10 September 2025, with subsequent episodes following every week.

You and Everything Else (12 September)

  • Genre: Slice-of-life melodrama
  • Director: Jo Young-min
  • Main cast: Kim Go Eun, Kim Gun Mu, Park Ji Hyun
  • Network: Netflix

You and Everything is a New K-drama coming in September 2025 on Netflix. The 15-episode slice-of-life melodrama follows two childhood friends as they navigate life challenges. Although they face ups and downs, they come together when one of them is diagnosed with a terminal illness at age 42.

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A Hundred Memories (13 September)

  • Genre: Youth melodrama, romantic drama
  • Director: Kim Saang-ho
  • Main cast: Jung Bo-min, Kim Ji-hyun, Jeon Sung-woo
  • Network: JTBC

A Hundred Memories is a new romance K-drama coming in September 2025. The show, set in the 1800s, follows the story of two young women who become friends while dealing with life difficulties.

Their friendship is tested when they find themselves in a love triangle with a privileged man who is their first love. The 12-episode series will air on JTBC starting on 13 September.

Shin's Project (15 September)

  • Genre: Black comedy
  • Director: Shin Kyung-soo
  • Main cast: Han Suk-kyu, Bae Hyun-sung, Lee Re
  • Network: tvN

The new black comedy premieres on 15 September on tvN. Shin's Project is about Mr. Shin, a former top negotiator who runs a fried chicken restaurant.

Mr. Shin helps people with unresolved problems using his old skills. The show also stars top Korean actors such as Bae Hyun‍-‍sung and Lee Re.

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To the Moon (19 September)

  • Genre: Comedy, romance
  • Director: Oh Da-Yeong
  • Main cast: Sul Kyung-gu, Doh Kyung-soo, Kim Hee-ae
  • Network: MBC

To the Moon is a new romance K-drama coming out in September 2025. It is based on the novel Let's Go To The Moon and explores the themes of friendship, survival, and lifework.

The comedy drama follows three women, Jung Da Ha‍e, Kang Eun⁠ Sang, and Kim Ji Song, struggling to make ends meet. They⁠ decided to‍ invest in cryptocurrency together to end their financial problems.

Walking on Thin Ice (20 September)

  • Genre: Crime thriller
  • Director: Song Hyun-Wook
  • Main cast: Lee Young-ae, Kim Young-kwang, and Park Yong-woo
  • Network: KBS2

Walking on Thin Ice is a new crime thriller that will premiere on KBS2 on 20 September 2025. The TV show follows Kang Eun Soo, portrayed by Lee Young Ae, a housewife.

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Kang Eun Soo becomes a drug dealer to pay her husband's medical bills. She partners with Lee Kyung, portrayed by Kim Young-Kwang, an art teacher who deals drugs for VIPs.

First Lady (24 September)

  • Genre: Political melodrama, thriller
  • Director: Jang Yoo Jung
  • Main cast: Eugene, Ji Hyun Woo, Lee Min
  • Network: MBN

First Lady is a new political thriller that depicts political conspiracy and family secrets. The show revolves around a woman who wants to be the First Lady.

About 67 days before her husband is elected president, he tells her he wants a divorce. The series follows her as she fights to save her marriage and position, while dealing with political conflicts.

The Murky Stream (26 September)

  • Genre: Historical drama
  • Director: Choo Chang-min
  • Main cast: Rowoon, Shin Ye-eun, Park Seo-ham
  • Network: Disney+

The Murky Stream is a historical drama coming to Disney+ on 26 September. Choo Chang-min directed the show, which features talented Korean actors such as Kim Seok-woo, better known as Rowoon, Shin Ye-eun, and Park Seo-ham.

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The series is set in the Joseon Dynasty in the 16th century. It follows three people: a legendary gangster, a clever merchant, and an honest government official. The Murky Stream explores their lives as they deal with power, ambition, and survival in a time when justice is hard to find.

Ms. Incognito (29 September)

  • Genre: Thriller, Romance, Crime
  • Director: Park Yoo Young
  • Main cast: Jeon Yeo Been, Jin Young, Seo Hyeon Woo, Joo Hyun Young
  • Network: ENA, Genie TV

Ms. Incognito is a new romance thriller that follows Kim Young-Rana, a bodyguard with a dark past. She fakes her identity and agrees to a fake marriage with the dying owner of Gasung Group.

Kim Young-Ran must pretend for three months to protect the chair's wealth from people trying to steal it. The drama explores elements of crime, romance, and suspense.

What new K-dramas are coming to Netflix in September 2025?

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Netflix will premiere two K-dramas this September. You and Everything Else, a slice-of-life melodrama, is set to premiere on 12 September and Queen Mantis, a crime thriller, will premiere on 5 September 2025.

What are the new romance K-dramas coming in September 2025?

The September 2025 watchlist has an array of romantic K-dramas, including My Youth set to premiere on 5 September, A Hundred Memories on 13 September, Ms. Incognito on 29 September, and To the Moon on 19 September.

New K-dramas in September 2025 cater​ to genres like thrillers, romance, action, and drama. You can catch shows like Ms. Incognito, First Lady, Walking on Thin Ice, and The Youth on Hulu, Disney+, Netflix, and MBC platforms.

Legit.ng published an article about K-dramas that aired in August 2025. The Korean entertainment industry delivered an exciting lineup of films and shows across genres. August 2025 had shows and films like Beyond the Bar, Mary Kills People, Pretty Crazy, and Love, Take Two.

August 2025 had plenty of K-dramas that premiered on platforms like Netflix, Disney+, and MBC. Find out about all the Korean shows and movies released in August 2025.

Proofreading by Kola Muhammed, copy editor at Legit.ng.

Source: Legit.ng

Authors:
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Naomi Karina (Lifestyle writer) Naomi Karina has been a digital content writer for more than two years. She joined the Legit team in August 2022. She graduated Bachelor of Commerce from KCA University in 2012. She also holds a Higher Diploma in Human Resources from the IHRM and a Diploma in Marketing from Kenyatta University. She is a content creator who enjoys writing about various topics such as biographies, entertainment and business. In 2023, Naomi finished the AFP course on Digital Investigation Techniques. She expanded her skills in 2024 by undertaking the Google News Initiative course.