September 2025 K-drama Releases With Cast and Streaming Details! A Month For All K-drama Lovers!

Disha Paul
Aug 30
3 min read

September 2025 K-drama guide (Credits: X)

September 2025 is all set to treat drama lovers with an exciting mix of stories. From nostalgic romances and heartwarming friendships to high-stakes thrillers and spy adventures, the new month brings something for every viewer.

Some of Korea’s top stars are returning to the screen, while fresh stories are ready to capture attention with their unique plots.

Let’s look at the most anticipated K-dramas premiering this September and what makes each of them worth watching!

My Youth

This romantic drama tells the story of Sun Woo-hae, a former child star who is now a novelist and florist. He reunites with Sung Je-yeon, his first love, who has become a successful team leader at a company.

Their unexpected meeting brings back memories of the past and opens a path toward healing and new beginnings.

Aired: September 5, 2025
No. of Episodes: Not confirmed
Cast: Song Joong-ki, Chun Woo-hee, Lee Ju-myoung, Seo Ji-hoon
Streaming Platform: Viu and Rakuten Viki

Queen Mantis

Queen Mantis follows Jung Yi-shin, a notorious former serial killer who is forced to help the police when a copycat killer emerges.

Her estranged son, detective Cha Soo-yeol, leads the investigation. The tension between mother and son becomes the heart of this chilling thriller.

Aired: September 5, 2025
No. of Episodes: 8
Cast: Ko Hyun-jung, Jang Dong-yoon, Cho Seong-ha, Lee El, Kim Bo-ra, Kim Tae-jung
Streaming Platform: SBS TV, streaming details to be announced

Confidence Queen

A genius con artist with an IQ of 165 gathers a team of tricksters to take down the corrupt elite. With clever scams, witty strategies, and a touch of humor, this series promises thrilling capers mixed with moral justice.

Aired: September 6, 2025
No. of Episodes: Not confirmed
Cast: Park Min-young, Park Hee-soon, Joo Jong-hyuk
Streaming Platform: Coupang Play in Korea, Prime Video internationally

Tempest

Set in a world of political secrets and espionage, Tempest brings together Seo Moon-joo, a skilled diplomat, and Baek San-ho, a mysterious mercenary.

As they navigate conspiracies linked to inter-Korean relations, they must choose between loyalty, survival, and unexpected romance.

Aired: September 10, 2025
No. of Episodes: 8 to 9
Cast: Jun Ji-hyun, Gang Dong-won
Streaming Platform: Disney+ and Hulu in selected regions

You and Everything Else

This emotional series follows two lifelong rivals, writer Ryu Eun-joong and producer Cheon Sang-yeon, whose lives are shaped by constant competition. When Eun-joong is diagnosed with cancer, both characters reflect on their decades of rivalry, friendship, and the meaning of life.

Aired: September 12, 2025
No. of Episodes: 15
Cast: Kim Go-eun, Park Ji-hyun, Kim Gun-woo
Streaming Platform: Netflix

A Hundred Memories

Set in the vibrant 1980s, this nostalgic drama tells the story of bus attendants Go Young-rye and Seo Jong-hee. Alongside their friend Han Jae-pil, they experience first love, dreams, and the struggles of youth in a changing world.

Aired: September 13, 2025
No. of Episodes: 12
Cast: Kim Da-mi, Shin Ye-eun, Heo Nam-jun
Streaming Platform: Details to be announced

Walking on Thin Ice

Kang Eun-soo, a parent facing a personal crisis, stumbles upon a mysterious bag of drugs. This discovery leads to a tense partnership with art teacher Lee Kyung. With themes of survival and morality, the drama marks the powerful return of Lee Young-ae to television.

Aired: September 20, 2025
No. of Episodes: 12
Cast: Lee Young Ae, Kim Young-kwang, Park Yong-woo, Bae Soo-bin, Jo Yeon-hee
Streaming Platform: KBS, streaming details to be announced

The Murky Stream

Set during the Joseon era, The Murky Stream follows three individuals whose lives intertwine in a turbulent time. An undercover gangster, a righteous enforcer, and an idealistic official find themselves caught between loyalty, survival, and justice.