September K-Drama Spotlight: 12 Exciting New Series to Stream Now

As September 2025 approaches, the world of Korean drama is preparing to deliver a rich and varied lineup of new series sure to captivate audiences worldwide. This month’s releases offer something for every taste, from poignant slice-of-life stories and heartfelt romances to gripping thrillers and intense political dramas. 

With acclaimed actors like Song Joong Ki, Kim Go Eun, and Go Hyun Jung leading the charge, viewers can expect high-quality storytelling combined with compelling performances.

Many of these titles explore themes of friendship, love, ambition, and mystery, often blending genres to create fresh, engaging narratives. Some shows are original productions, while others are adaptations of popular international works, adding global appeal.

My Youth

A former child star turned florist/novelist reunites with his first love after a decade apart, prompting healing, memories, and second chances.

• Cast & Crew:
  
  • Song Joong-ki, Chun Woo-hee, Lee Joo-myung, Seo Ji-hoon
    
  • Director: Lee Sang-yeop | Writer: Park Si-hyeon
    
• Release Date: September 5, 2025 (JTBC, Viki, Viu)
  

Queen Mantis

A retired serial killer is coerced into helping the police when a copycat strikes, and it turns out the detective asking for help is her estranged son.

• Cast & Crew:
  
  • Go Hyun‑jung, Jang Dong‑yoon
    
  • Director: Byun Young‑joo | Writer: Lee Young‑jong
    
• Release Date: September 5, 2025 (SBS TV)
  

Confidence Queen

A brilliant con artist and her team embark on daring heists targeting corrupt elites through clever scams, justice, and humor.

• Cast & Crew:
  
  • Park Min-young, Park Hee-soon, Joo Jong-hyuk
    
  • Director: Nam Ki-hoon | Writer: Hong Seung-hyun
    
• Release Date: September 6, 2025
  

Tempest

In this high-stakes spy romance, a skilled diplomat and a mysterious special agent team up after a political assassination unleashes a vast conspiracy.

• Cast & Crew:
  
  • Jun Ji-hyun, Gang Dong-won, John Cho, ensemble cast
    
  • Director: Kim Hee-won | Writer: Jeong Seo-kyung
    
• Release Date: September 10, 2025 (Disney+, Hulu)
  

You and Everything Else

Two lifelong best friends navigate love, tension, and separation until one faces her final days, uniting them for one last meaningful journey.

• Cast & Crew:
  
  • Kim Go-eun, Park Ji-hyun, Kim Gun-woo
    
• Release Date: September 12, 2025 (Netflix)
  

A Hundred Memories

Set in the vibrant 1980s, two bus attendants chase dreams, friendship, and first love in this nostalgic slice-of-life drama.

• Cast & Crew:
  
  • Kim Da-mi, Shin Ye-eun, Heo Nam-jun
    
  • Director: Kim Saang-ho | Writers: Yang Hee-seung, Kim Bo-ram
    
• Release Date: September 13, 2025 (JTBC)
  

Shin’s Project

A fried-chicken shop owner is also a former superstar negotiator who intervenes behind the scenes to solve others’ problems with wit and wisdom.

• Cast & Crew:
  
  • Han Suk-kyu, Bae Hyun-seong, Lee Re
    
• Release Date: September 15, 2025 (tvN)
  

To the Moon

Three women find solidarity, humor, and ambition as they navigate workplace struggles and join forces through crypto investments.

• Cast & Crew:
  
  • Lee Sun-bin, Ra Mi-ran, Jo Aram, Kim Young-dae
    
  • Director: Jeong-hoon & Oh Da-young | Writer: Na Yoon-chae
    
• Release Date: September 19, 2025 (MBC)
  

Walking on Thin Ice

A desperate housewife makes a shocking decision to enter the drug trade, spiraling into danger as she tries to afford her husband’s treatment.

• Cast & Crew:
  
  • Lee Young-ae, Kim Young-kwang, Han Ji-eul
    
• Release Date: September 20, 2025 (KBS2)
  

The Murky Stream

In a turbulent Joseon era, a former gangster, a righteous merchant, and an idealistic official find their fates intertwined in a perilous power struggle.

• Cast & Crew:
  
  • Rowoon, Shin Ye-eun, Park Seo-ham
    
  • Director: Choo Chang-min | Writer: Chun Sung-il
    
• Release Date: September 26, 2025 (Disney+)
  

Ms. Incognito

A bodyguard enters a contract marriage with a terminally ill chaebol heir, under a fake identity, to survive and secure his legacy against lurking threats.

• Cast & Crew:
  
  • Jeon Yeo-been, Jinyoung, Jang Yoon-ju, Joo Hyun-young, Seo Hyun-woo
    
  • Director: Park Yoo-young | Writer: Hyun Kyu-ri
    
• Release Date: September 29, 2025 (ENA)
  

From nostalgic tales and romantic reconnections to eerie thrillers and political intrigue, this September’s K-drama lineup offers something for every fan’s binge-watching wish list.