You can tell we’ve entered “danger zone” season—the kind where you press play for one episode and somehow it’s Sunday night. September 2025 is stacked with cozy palace romance, high-tension thrillers, and healing small-town vibes. Below is a humanized rundown of the ten most-watched, currently airing titles: what they’re about, why timelines are buzzing, and who should press play first. Tone is spoiler-light; each pick ends with a clean cast line.
1) Bon Appetit, Your Majesty kdrama
Top 10 Most-Watched KDramas Airing in September 2025
Why people are watching: Comfort food in drama form—time-slip romance where the kitchen is the battlefield and a tasting spoon doubles as a confession. Modern technique crashes into royal protocol; sparks (and sauces) fly.
What it feels like: Warm, witty, aromatic—politics at a gentle simmer, chemistry at a slow boil. Easy to binge, even easier to recommend.
Best for: Viewers who want a soft romance with craft at its center.
Cast: Im Yoon-ah, Lee Chae-min, Kang Han-na, Choi Gwi-hwa.
You can check the release dates of this series on our calendar page: yourpenguin.site/calendar
2) My Youth kdrama
Top 10 Most-Watched KDramas Airing in September 2025
Why people are watching: It nails that messy-sweet age when everything matters—first jobs, first apartments, first heartbreaks. Group chats, campus corners, and the fear you’re the last one to “figure it out.”
What it feels like: Sunlit slice-of-life with an indie-pop heartbeat; you’ll highlight lines like they came from your own diary.
Best for: Coming-of-age fans who want real talk and found-family warmth.
Cast: Song Joong-ki, Chun Woo-hee, Lee Joo-myung, Seo Ji-hoon.
Want to know when the next episode drops? Check out the full schedule here: yourpenguin.site/calendar
3) Tempest kdrama
Top 10 Most-Watched KDramas Airing in September 2025
Why people are watching: A geopolitical thriller with movie-night scope and a star pairing we haven’t seen on TV in years. Every episode ends like a siren.
What it feels like: High-gloss spy-romance—diplomacy, covert ops, and impossible choices—anchored by two leads built for intensity.
Best for: Adrenaline seekers who still want heart.
Cast: Jun Ji-hyun, Gang Dong-won, John Cho, Lee Mi-sook, Park Hae-joon, Kim Hae-sook, Yoo Jae-myung, Oh Jung-se, Joo Jong-hyuk, Won Ji-an.
You can view the full release schedule for this series on our calendar page: yourpenguin.site/calendar
4) Confidence Queen kdrama
Top 10 Most-Watched KDramas Airing in September 2025
Why people are watching: A reputation-fixing con artist with couture bite cleans up other people’s messes—and starts scrubbing her own past. Expect ruthless one-liners, clever heists, and a rival you’ll secretly root for.
What it feels like: Champagne rom-com heist—sparkling, stylish, and just cheeky enough to meme.
Best for: Fashion, hustle, and banter addicts.
Cast: Park Min-young, Park Hee-soon, Joo Jong-hyuk.
See the release dates here: yourpenguin.site/calendar
5) A Hundred Memories kdrama
Top 10 Most-Watched KDramas Airing in September 2025
Why people are watching: An archivist who can feel emotions in objects catalogs a chaebol family’s estate and unspools decades of love, loss, and loyalty.
What it feels like: Velvet mystery—dim libraries, rain on glass, reveals that send you back to rewatch clues.
Best for: Slow-burn mystery/romance fans who love atmosphere over fireworks.
Cast: Kim Da-mi, Shin Ye-eun, Heo Nam-jun; with Lee Jung-eun, Park Ji-hwan.
Don’t miss an episode! Find all release dates on our calendar: yourpenguin.site/calendar
6) Walking on Thin Ice kdrama
Top 10 Most-Watched KDramas Airing in September 2025
Why people are watching: A whistleblowing prosecutor and a bulldog journalist push into a syndicate’s pressure points, moving from distrust to ride-or-die.
What it feels like: Tight legal/crime storytelling—clean stakes, chase scenes with consequences, and grown-up tension that doesn’t get lost in plot spaghetti.
Best for: Viewers who want grit without confusion.
Cast: Lee Young-ae, Kim Young-kwang, Park Yong-woo.
Curious about when new episodes are coming? Visit our calendar page: yourpenguin.site/calendar
7) Shin’s Project kdrama
Top 10 Most-Watched KDramas Airing in September 2025
Why people are watching: A legendary director named Shin returns from hiatus to film small stories about ordinary people—and ends up healing behind the camera.
What it feels like: Meta but kind. On-set chaos, second chances, and a rookie writer who steals scenes with honesty.
Best for: Industry-drama lovers and anyone craving gentle humor with catharsis.
Cast: Han Suk-kyu, Bae Hyun-sung, Lee Re.
Want to know when the next episode drops? Check out the full schedule here: yourpenguin.site/calendar
8) Queen Mantis kdrama
Top 10 Most-Watched KDramas Airing in September 2025
Why people are watching: A notorious killer-mother and her detective son collide—family secret meets copycat murders. It’s slick, chilly, and personal.
What it feels like: Sageuk-free, modern noir: psychological cat-and-mouse wrapped in grief and obligation.
Best for: Fans of elegant, razor-edged thrillers.
Cast: Go Hyun-jung, Jang Dong-yoon; with Jo Sung-ha, Lee El, Kim Bo-ra.
See the release dates here: yourpenguin.site/calendar
9) My Troublesome Star kdrama
Top 10 Most-Watched KDramas Airing in September 2025
Why people are watching: A top star burns out, hides in a seaside town, and ends up sharing a roof with an astronomy teacher who prefers constellations to scandals.
What it feels like: Warm tea and sea air—accidental roommates, stargazing confessions, and a romance that melts, not detonates.
Best for: Gentle rom-com fans who believe in small kindnesses.
Cast: Uhm Jung-hwa, Song Seung-heon, Lee El, Oh Dae-hwan.
Don’t miss an episode! Find all release dates on our calendar: yourpenguin.site/calendar
10) To the Moon kdrama
Top 10 Most-Watched KDramas Airing in September 2025
Why people are watching: Two exes—an engineer and a mission-control analyst—are forced onto the same lunar project. Old wounds vs. launch windows = combustible.
What it feels like: STEM-smart second-chance romance with headset tension and hallway eye contact that says too much.
Best for: Workplace pressure-cooker lovers who want their science with feelings.
Cast: Lee Sun-bin, Ra Mi-ran, Jo Aram, Kim Young-dae.
Don’t miss an episode! Find all release dates on our calendar: yourpenguin.site/calendar
Mini Watch-Map Pick by Mood
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Cozy & romantic: Bon Appetit, Your Majesty / My Troublesome Star
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High tension: Tempest / Walking on Thin Ice
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Elegant politics: Queen Mantis
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Puzzle-box mystery: A Hundred Memories
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Meta & healing: Shin’s Project
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Fashion & fireworks: Confidence Queen
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Ambition & inspiration: To the Moon
A More Human Take (Why These Land)
What’s striking this month isn’t just variety—it’s specificity. The shows know exactly what they are. Bon Appétit never pretends to be a hard political thriller; it’s a romance about craft and care, where a perfectly reduced sauce can say “I’m sorry” better than words. Tempest earns its spectacle by staying inside human choices. A Hundred Memories trusts quiet to be louder than twists. Across the board, dramas lean into texture—food, weather, music, work—and let those details do the emotional heavy lifting.
Final Word
If time is tight, start with Bon Appetit, Your Majesty—the month’s warmest plate and the easiest to share with a friend. When you want your pulse to spike, queue Tempest or Walking on Thin Ice. Save A Hundred Memories for when you can dim the lights and listen. However you stack it, September’s lineup has that rare “one more episode” gravity. Enjoy the ride—and don’t forget to eat between binges.
