Korean thriller webtoons are absolutely addictive, combining suspense, mystery, and heart-pounding action that keeps you glued to the screen. From twisted psychological games to supernatural horrors, these stories are full of shocking twists and unforgettable characters. Whether you’re a long-time fan of Korean webtoons or just curious about diving into some edge-of-your-seat thrillers, you’re in for a treat. In this article, we’ve rounded up the 30 best Korean thriller webtoons to read online in 2025, perfect for anyone craving suspense, chills, and stories you won’t be able to put down.
1. Hand Jumper
- Reads: 50.5 million
- Subscribers: 798,903
- Status: Ongoing
- New Episodes: Every Wednesday
Meet Sayeon Lee, a young woman who can’t stand Aberrants, people with dangerous, unpredictable powers. Problem is… she’s one herself! Thrown into the deadly world of the Aberrant Corps, she has to fight for her life while figuring out how to control her unusual ability. Every choice could be a matter of life or death. Packed with suspense, action, and twists you won’t see coming, Hand Jumper is a must-read Korean thriller webtoon for anyone who loves high-stakes stories with supernatural powers and edge-of-your-seat drama.
2. Campfire Friends
- Reads: 621,094
- Subscribers: 35,900
- Status: Ongoing
- New Episodes: Every Wednesday
After a rough day at the office, Chaesu wakes up inside Campfire Friends, the childhood cartoon he used to love. At first, spending time with the cute, colorful woodland characters brings back a sense of innocence he thought he’d lost forever. But there’s a dark twist hiding beneath all that cheerfulness, and not everything is as it seems. With its mix of nostalgia, suspense, and creepy secrets, Campfire Friends is a Korean thriller webtoon that’s equal parts heartwarming and spine-chilling, perfect for anyone who loves a story that keeps you guessing.
3. I’m Dating a Psychopath
- Reads: 17.5 million
- Subscribers: 512,882
- Status: Ongoing
- New Episodes: Every Saturday
Finn’s past comes back to haunt her when a new serial killer appears in her city. Against her better judgment, she dives in, hoping to uncover the truth. Then she meets Isaac, a guy who reminds her a little too much of someone from her past. As secrets unravel and danger lurks around every corner, Finn finds herself caught between curiosity, fear, and a mysterious connection she can’t ignore. I’m Dating a Psychopath is a Korean thriller webtoon full of suspense, twists, and a chilling mix of romance and danger that keeps you hooked from start to finish.
4. Phantom Whispers
- Reads: 5.7 million
- Subscribers: 162,868
- Status: Ongoing
- New Episodes: Every Thursday
Noa has been haunted by strange, unsettling voices since she was a kid, but things take a dark turn when a mysterious murder happens in her town. The voice in her head pushes her to find the killer, even as the police doubt her and her own sanity starts to slip. Racing against time, Noa has to navigate fear, suspicion, and the possibility that her mind might betray her. Phantom Whispers is a chilling Korean thriller webtoon packed with suspense, twists, and psychological tension that’ll keep you hooked from the very first page.
5. Paradise on Earth
- Reads: 804,828
- Subscribers: 55,175
- Status: Ongoing
- New Episodes: Every Sunday
Oreum signs up for a reality dating show on Paradise Island, hoping to win prize money to save her sister. But what starts as a dream quickly turns into a nightmare when a mysterious virus spreads, turning contestants into flesh-hungry monsters. Trust breaks down, chaos takes over, and Oreum’s only goal becomes survival. Packed with suspense, horror, and nonstop twists, Paradise on Earth is a Korean thriller webtoon that keeps you on the edge of your seat, blending high-stakes survival with the shocking drama of a deadly reality show.
6. Undercover at Chaebol High
- Reads: 172,702
- Subscribers: 39,733
- Status: Ongoing
- New Episodes: Every Saturday
Dakyung Lee, a top member of a criminal organization, is out for revenge after her beloved boss is killed. When she learns Chairman Lee is behind it, her path seems blocked by his powerful Sa Yeong Group. But she won’t give up. Spotting a chance through the chairman’s son, Dakyung takes a bold move, going undercover at Chaebol High School. Full of suspense, clever schemes, and high-stakes action, Undercover at Chaebol High is a Korean thriller webtoon that keeps you hooked as Dakyung plots her daring revenge.
7. The Gwichon Village Mystery
- Reads: 7.6 million
- Subscribers: 213,551
- Status: Ongoing
- New Episodes: Every Monday
Mumyeong Heo heads to his late grandmother’s countryside home for some peace and quiet, but something feels off. The house has been mysteriously well-kept, and his new neighbors aren’t exactly welcoming. Then things take a darker turn: one by one, the unfriendly locals start disappearing. Caught in a web of secrets and strange happenings, Mumyeong has to uncover the truth behind the village’s eerie mysteries. The Gwichon Village Mystery is a Korean thriller webtoon full of suspense, twists, and chilling moments that’ll keep you guessing right up to the very end.
8. To Drown In You
- Reads: 2.5 million
- Subscribers: 88,334
- Status: Ongoing
- New Episodes: Every Saturday
Hyeseong, a boy from a remote island, and Yunhae, a mysterious mermaid, were inseparable as kids until Hyeseong moves away. Six years later, Yunhae discovers a strange power that lets her find him again. But things aren’t the same. Hyeseong can’t give her the same attention he did in their childhood. What starts as longing slowly turns into obsession, blurring the line between love and danger. To Drown In You is a Korean thriller webtoon full of suspense, supernatural twists, and intense emotions that keep you hooked from start to finish.
9. The End Has Come
- Reads: 299,714
- Subscribers: 21,415
- Status: Ongoing
- New Episodes: Every Monday
Minjun, a bullied teen, never thought his wish for the world to end would actually come true until zombies show up at his door. Now, he has no choice but to fight for survival. Teaming up with Yena, his sassy and clever classmate, they navigate a collapsing city filled with infected and enemies both old and new. In a world where rules no longer exist, trust may be their only lifeline. The End Has Come is a Korean thriller webtoon packed with suspense, action, and twists that keep you on the edge of your seat.
10. There Are No Demons
- Reads: 7.8 million
- Subscribers: 164,445
- Status: Ongoing
- New Episodes: Every Friday
There Are No Demons takes a dark look at humanity, showing that sometimes people are scarier than any monster. Through a series of gripping, twisted stories, it dives into fear, greed, and cruelty in their rawest forms. Each tale keeps you on edge with suspense, psychological tension, and shocking twists, proving that the real horror often comes from those around us. If you love chilling, thought-provoking thrillers, There Are No Demons is a Korean webtoon that’ll make you question just how frightening humans can be.
11. Destined Killer
- Reads: 548,092
- Subscribers: 44,023
- Status: Ongoing
- New Episodes: Every Monday
Destined Killer centers on Number, a serial killer who thinks he’s doing the world a favor because he can see who’s destined to murder in the future. He takes justice into his own hands, keeping the world “safe” one kill at a time. But everything changes when he meets Jihyeon, a girl whose number keeps shifting as she develops a strange new power. Suddenly, Number’s black-and-white view of justice gets messy. Will they team up to stop future killers, or will Jihyeon completely throw off his moral compass? Destined Killer is a tense, twisty Korean thriller webtoon that digs into justice, power, and the blurry lines between right and wrong.
12. The Shell
- Reads: 132,420
- Subscribers: 9,071
- Status: Ongoing
- New Episodes: Every Friday
The Shell follows Dasom Park, a shy, unnoticed girl who goes to meet her only friend, the beloved Iseul Chae, only to find Iseul’s lifeless, hollow “shell.” In a shocking moment, Dasom steps into it and suddenly finds herself living Iseul’s perfect-looking life. But that perfection quickly starts to crack as she uncovers disturbing secrets hidden within Iseul’s family. The more she learns, the more she wonders what really happened to her friend and whether it was truly an accident that she ended up inside Iseul’s body. The Shell is a chilling Korean thriller webtoon full of mystery, suspense, and dark twists.
13. Survive
- Reads: 164,743
- Subscribers: 18,078
- Status: Ongoing
- New Episodes: Every Monday
Survive throws a group of strangers into a mysterious, deadly place with no clue why they’re there or how to escape. As danger creeps closer and loneliness sets in, it’s tempting to rely on the people around them, but trusting anyone could be the biggest mistake they make. Each person has to depend on their own instincts while navigating fear, tension, and shifting alliances. With nonstop suspense and unsettling twists, Survive is a Korean thriller webtoon that keeps you guessing who will make it out alive and who can’t be trusted.
14. Cryptid
- Reads: 316,855
- Subscribers: 32,977
- Status: Ongoing
- New Episodes: Every Sunday
Cryptid takes you into a world changed forever by a mysterious light that fell from the sky, offering humanity an incredible “gift.” But people twisted that power with their own dark desires, turning themselves into terrifying, distorted creatures. Out of this chaos, a few brave heroes rise, people willing to stare into the abyss and fight the horrors created by human corruption. Now, strange whispers tug at the edge of everyone’s mind, tempting them to make dangerous pacts. Cryptid is a dark, atmospheric Korean thriller webtoon filled with eerie mysteries, monstrous transformations, and a battle between light and corruption.
15. Zombie Funeral Services
- Reads: 818,907
- Subscribers: 44,468
- Status: Ongoing
- New Episodes: Every Tuesday
Zombie Funeral Services follows Vin Yeom, an exterminator who finds a new calling during the zombie apocalypse, becoming an undertaker for the infected. Inside the quarantine zone, he and his team provide a rare, emotional service: giving families one last chance to say goodbye to their loved ones. But while they’re helping others find closure, buried secrets begin to surface. The same loss that led Vin down this path might uncover a conspiracy big enough to shake the entire world and maybe even help him heal. Zombie Funeral Services is a Korean thriller webtoon that mixes horror, heart, and gripping mystery.
16. Holy Night: The Zero
- Reads: 165,598
- Subscribers: 15,681
- Status: Ongoing
- New Episodes: Every Friday
Holy Night: The Zero follows Bawoo and Joseph, two brothers from an orphanage whose paths couldn’t be more different. Joseph becomes a priest, while Bawoo rises as an underground fighting champion. But everything changes when Joseph awakens as the demon Lucifer and massacres their orphanage, turning their brotherly bond into a fierce quest for revenge. Now, Bawoo must rely on his powerful fists and loyal allies to take down Joseph and his cult. Packed with intense action, supernatural powers, and high-stakes drama, Holy Night: The Zero is a Korean thriller webtoon that keeps you hooked from start to finish.
17. Dear X
- Reads: 10.5 million
- Subscribers: 348,410
- Status: Completed
- Total Episodes: 6
Dear X follows Ajin Baek, a top actress who seems to have it all: fame, beauty, awards, and the public adores her. Just as she’s about to announce her marriage, a news exposé at an award ceremony throws her perfect image into chaos, revealing dark secrets behind her glittering career. Suddenly, everyone is left wondering: how far did Ajin really go to get to the top, and what will she do to protect her image? Dear X is a Korean thriller webtoon full of suspense, drama, and the dark side of ambition and fame.
18. Pieces of Humans
- Reads: 1 million
- Subscribers: 40,944
- Status: Ongoing
- New Episodes: Every Thursday
Pieces of Humans plunges you into a world of “Healed Zombies” creatures with decaying bodies but sharp minds, desperate to survive by taking healthy body parts from the living. In this brutal reality, broken bodies and fragmented spirits clash, and the line between human and monster gets terrifyingly blurry. Every choice is a fight for survival, and the stakes couldn’t be higher. Packed with suspense, gore, and chilling psychological twists, Pieces of Humans is a Korean thriller webtoon that shows just how far people or monsters will go to cling to life when all that’s left are fragments of humanity.
19. Death: Rescheduled
- Reads: 41.7 million
- Subscribers: 893,957
- Status: Ongoing
- New Episodes: Every Saturday
Death: Rescheduled takes place in a world where one murder a year is legally allowed. Kreyul’s life changes forever when he watches his childhood friend die, and the killer gets away. Determined to stop this deadly system, he sets out across the five districts of Criminaxe, facing places where love is a crime and playgrounds exist for serial killers to hunt children. With danger around every corner, Kreyul and his team must fight to end the kill law before it ends them. Death: Rescheduled is a tense, gripping Korean thriller webtoon full of dark action, suspense, and high-stakes drama.
20. Spore
- Reads: 2.7 million
- Subscribers: 71,237
- Status: Completed
- Total Episodes: 97
Spore follows Seungho Yun, an ordinary high school student whose world turns upside down when UFOs and insect-like monsters suddenly appear. Trying to survive and find his family, he starts receiving mysterious messages in his head that show glimpses of the future. With this small advantage, Seungho navigates the chaos but soon realizes he’s not the only one getting these cryptic messages. As danger mounts, he must uncover where the messages are coming from while staying alive. Spore is a thrilling Korean webtoon packed with suspense, action, and mystery, perfect for fans of high-stakes survival stories.
21. Dead But Not Gone
- Reads: 4.8 million
- Subscribers: 151,157
- Status: Ongoing
- New Episodes: Every Thursday
Dead But Not Gone follows Brian, who’s excited for a fresh start after moving into a new house, until he discovers it’s haunted by Cam, a ghost boy his own age. At first, Cam just seems annoying, insisting they be best friends and poking into every part of Brian’s life. But things quickly take a darker turn: Cam isn’t just trying to be part of Brian’s life; he wants to take it. Full of suspense, supernatural twists, and chilling moments, Dead But Not Gone is a Korean thriller webtoon that keeps you on the edge of your seat.
22. Hellbound 2: The Resurrected
- Reads: 165,740
- Subscribers: 21,783
- Status: Completed
- Total Episodes: 4
Hellbound 2: The Resurrected picks up five years after a baby was miraculously spared during a deadly demonstration, thanks to her parents’ selfless sacrifice. But instead of bringing peace, the event sparks a new wave of cult hysteria led by the growing Arrowhead organization. As society teeters on the edge and long-dead sinners start mysteriously returning to life, the government secretly steps in to try and control the chaos. Packed with suspense, supernatural horror, and dark twists, Hellbound 2: The Resurrected is a gripping Korean thriller webtoon full of tension and shocking revelations.
23. Surviving the Apocalypse
- Reads: 5.5 million
- Subscribers: 166,712
- Status: Ongoing
- New Episodes: Every Wednesday
Surviving the Apocalypse follows a young man who’s spent his whole life locked in an underground prison, with no memory of his name or knowledge of the world above. Prophecies of bloodshed and chaos loom, and he soon realizes the shocking truth: he was imprisoned by his own father. As the threat of the apocalypse grows, he must navigate survival, identity, and trust in a world on the edge of collapse. Full of suspense, dark twists, and psychological tension, Surviving the Apocalypse is a gripping Korean thriller webtoon that keeps you hooked from start to finish.
24. My Girlfriend
- Reads: 6.5 million
- Subscribers: 183,854
- Status: Completed
- Total Episodes: 4
My Girlfriend follows Jio, whose world is turned upside down when he discovers his girlfriend, Miho, is eating human flesh. Things get even worse when she kills his close friend, forcing Jio to run in panic, only to find that same friend alive, leaving him questioning everything he thought he knew. Struggling to hold on to his sanity, Jio faces a terrifying question: is Miho really a monster, or is he trapped in a nightmarish illusion? Full of suspense, shocking twists, and psychological tension, My Girlfriend is a Korean thriller webtoon that keeps you guessing until the very end.
25. A Life-Changing Turn
- Reads: 1.9 million
- Subscribers: 73,298
- Status: Completed
- Total Episodes: 4
A Life-Changing Turn follows Sua Jo, whose life seems absolutely perfect: her dad is a mayor, her boyfriend is the top student, and her friends adore her. But everything starts to unravel when she thinks she’s accidentally hit someone. At first, she breathes a sigh of relief that no one saw her. That is, until a mysterious person named “M” shows up, claiming to be a witness. Determined to protect her flawless life, Sua Jo is ready to do whatever it takes. A Life-Changing Turn is a Korean thriller webtoon full of suspense, drama, and high-stakes twists.
26. Homesick
- Reads: 142.2 million
- Subscribers: 1.7 million
- Status: Ongoing
- New Episodes: Every Tuesday
Homesick follows Rayne, who wakes up with no memory of the apocalypse, suddenly thrust into a world filled with cannibalistic monsters. She’s rescued by Samael, a rebellious delinquent, and the two form a shaky alliance to survive. Together, they make a pact that tests their trust, wits, and morality as they navigate the dangers around them. Full of suspense, action, and high-stakes tension, Homesick is a Korean thriller webtoon about survival, memory, and the unlikely bonds that form when the world falls apart.
27. Replaced
- Reads: 2.5 million
- Subscribers: 91,359
- Status: Completed
- Total Episodes: 3
Replaced follows the mysterious case of ten-year-old Ruby Ledger, who’s been missing for over six months. Just when her family thinks she’s finally been found, things start to feel off, and the truth about her return might not be what anyone expects. Full of suspense, chilling twists, and psychological tension, Replaced is a Korean thriller webtoon that keeps you guessing: can you ever really know what’s real when someone comes back after being gone for so long?
28. Zomebie X Slasher
- Reads: 9.3 million
- Subscribers: 202,070
- Status: Completed
- Total Episodes: 7
Zombie X Slasher follows Cheolsu, a man with a simple dream: owning a home with a cozy little garden. But thanks to the zombie apocalypse and skyrocketing inflation, even that dream feels impossible. To earn enough for his perfect house, Cheolsu has to fight his way through 7,900 zombies one slash at a time. Packed with action, dark humor, and nonstop thrills, Zombie X Slasher is a Korean thriller webtoon that turns the struggle for survival into a wild, entertaining ride, proving that determination and a sharp blade can get you through even the toughest challenges.
29. Stealing Her Place
- Reads: 4.5 million
- Subscribers: 158,505
- Status: Ongoing
- New Episodes: Every Wednesday
Stealing Her Place follows Yeseul, whose first day at a new school is anything but smooth. After a terrible first impression, she quickly becomes the target of Sohui, the most popular girl, especially since they look so much alike. But Yeseul isn’t one to back down. Confident in her own charm and determination, she’s ready to take everything from Sohui and prove she belongs at the top. Packed with suspense, rivalry, and high-stakes drama, Stealing Her Place is a Korean thriller webtoon full of ambition, jealousy, and the fight to claim what’s yours.
30. Silent Screams
- Reads: 9.8 million
- Subscribers: 215,966
- Status: Completed
- Total Episodes: 5
Silent Screams follows Theo, a young man trapped in his own home, desperate to escape his overbearing stepfather. All he wanted was a simple, peaceful life with his mother, but that dream is gone. With time running out, Theo must rely on his wits and courage to outsmart his captor before it’s too late. Full of suspense, tension, and high-stakes drama, Silent Screams is a Korean thriller webtoon that keeps you on the edge of your seat, exploring captivity, bravery, and the fight to reclaim freedom.
Conclusion
Korean thriller webtoons are a wild ride, blending suspense, drama, and unforgettable storytelling in ways that keep you hooked. From haunted houses to deadly mysteries, these webtoons will have you guessing and gasping every step of the way. The 30 picks on this list are perfect for anyone looking to explore the darker side of Korean webcomics in 2025. Whether you’re into psychological thrillers, supernatural scares, or action-packed survival stories, these webtoons have it all. Dive in and see why fans around the world can’t get enough of Korean thriller webtoons.
