Ten K-dramas to watch in September on OTT: My Youth, Confidence Queen, Tempest and more on Netflix, Prime Video, JioHotstar, Viki

If you’ve been scrolling endlessly, wondering why your K-drama watchlist feels a little too dry lately, good news: September 2025 is here to save the month. Whether you're into romantic reunions, con-artist chaos, tearjerking friendships, or thriller-filled suspense, this month’s new releases are packed with everything we love about Korean dramas.

From My Youth to Queen Mantis, here’s a look at ten exciting Korean dramas premiering this month on OTT platforms like Netflix, Prime Video, Disney+, and more.

K-dramas September 2025 OTT releases

1. Queen Mantis

Streaming from: September 5

Where to watch: Netflix, SBS TV, Viki, wavve
A gritty suspense thriller starring Go Hyun Jung as a woman with a killer past, literally. Her son, now a police officer, is forced to reconnect with her after a new murder mirrors the crimes she committed 20 years ago. A layered family drama and crime thriller rolled into one.

2. My Youth

Streaming from: September 5
Where to watch: JTBC, Viki
Song Joong Ki is back! He returns in this heartwarming romance where he plays a former child actor trying to live a quiet life. Things change when he reunites with his first love, played by Chun Woo Hee, after a decade apart. Expect lots of nostalgia and slow-burn emotions.

3. Confidence Queen

Streaming from: September 6
Where to watch: Prime Video, TV Chosun
Are we ready to see Park Min Young in new avatar. She leads this stylish remake of a Japanese drama about a trio of clever con artists. Each has a special skill, brains, charm, or wit, and they’re teaming up to scam corrupt elites. A mix of fun, crime, and clever heists.

4. Tempest

Streaming from: September 10
Where to watch: JioHotstar
Jun Ji Hyun and Gang Dong Won headline this high-stakes thriller set against a political backdrop. When a deadly attack threatens Korea, a diplomat and a mysterious agent must work together to stop it. Think action, espionage, and international tension.

5. You and Everything Else

Streaming from: September 12
Where to watch: Netflix
Two childhood best friends are torn apart by jealousy and life circumstances, until one is diagnosed with terminal cancer. Starring Kim Go Eun and Park Ji Hyun, this emotional drama explores friendship, betrayal, and making peace with the past.

6. A Hundred Memories

Streaming from: September 13
Where to watch: JTBC, TVING
Set in the 1980s, this slice-of-life drama follows two female bus conductors navigating work and life, until a man enters their orbit, stirring emotions and drama. With a retro backdrop and strong female leads, it’s a unique watch.

7. Shin’s Project

Streaming from: September 15
Where to watch: tvN, TVING
Han Suk Kyu plays an ex-negotiator now running a chicken shop, except he still solves cases on the side. A quirky mix of legal drama and small-town mystery, with a rookie judge and delivery girl helping him out.

8. To the Moon

Streaming from: September 19
Where to watch: MBC
This office drama follows three contract workers at a confectionery company as they struggle for job security and identity. When their lives cross paths with the chaebol heir, things take unexpected turns.

9. Walking on Thin Ice

Streaming from: September 20
Where to watch: KBS2, wavve
A housewife turns to the drug underworld to pay medical bills and save her family. Along the way, she teams up with her daughter’s art teacher, who moonlights as a drug dealer for the rich. Packed with tension, moral dilemmas, and crime drama.

10. No Mercy

Streaming from: September 24
Where to watch: Dramax, wavve
A revenge thriller about a struggling actress who joins a voice phishing gang to take down the people behind her parents' deaths. With the help of deepfake technology and her quick thinking, she fights for justice in this intense, action-filled series.

Stay tuned for more updates!