Top Mystery Manga Series – Must-Read Mystery Manga Online Collection

The 100 Curses of Illeston Manor

Chapter 53

980

A hungry tree, a shapeshifting rat, and a forgotten boy... These are just three of the 100 curses that haunt Illeston Manor. House Illeston thinks they'll be plagued by their curses forever until Simone the necromancer shows up to break them. All she asks for in return is a lavish life and protection from anyone who might harm her. But with every ghoul she defeats, Simone realizes that the true dangers lie within the manor itself. Can Simone save House Illeston? Or will she die trying...? Original Novel: <a href="https://page.kakao.com/content/60616584" target="_blank" rel="noopener noreferrer">KakaoPage</a>, <a href="https://series.naver.com/novel/detail.series?productNo=11601893" target="_blank" rel="noopener noreferrer">Naver Series</a> Original Webtoon: <a href="https://page.kakao.com/content/67430104" target="_blank" rel="noopener noreferrer">KakaoPage</a>, <a href="https://webtoon.kakao.com/content/%EC%9D%BC%EB%A0%88%EC%8A%A4%ED%86%A4-%EC%A0%80%ED%83%9D%EC%9D%98-100%EA%B0%80%EC%A7%80-%EC%A0%80%EC%A3%BC/4591" target="_blank" rel="noopener noreferrer">Daum</a> Official Translations: <a href="https://tapas.io/series/the-100-curses-of-illeston-manor/info" target="_blank" rel="noopener noreferrer">English</a>, <a href="https://jp.piccoma.com/web/product/169811" target="_blank" rel="noopener noreferrer">Japanese</a>

Haunted Peak

Chapter 24: Another Mountain

431

High schooler Miko, who thought he'd be inheriting his grandfather's mountain, has lost his crush to his friend and is at the bottom of his school's hierarchy. His one solace was the mountain, but now a mysterious masked man is building a small cabin there... Tagline: Am I weak? A tale of love and hate spiraling around a mountain.

Bad Apple

Chapter 47.5

10,486

As an S-Class agent at the top-secret intel firm Vulture, Adrian “Killy” Rosebarton (Codename: Uno) is the master of seduction, able to charm secrets out of literally anyone regardless of age, gender, or profession. But when he sets his sights on his newest target, Lorenzo “Loren” Stefano, things take a rotten turn. No matter how hard he flirts, Loren just won’t bite - and Uno’s pride (and mission) are about to crumble. If one thing is certain, it’s that this is no ordinary mark. This one’s a bad apple: poisonous if swallowed, impossible to spit out, and dangerously tempting.

Tetsu Sabi to 1000 Carat

Chapter 18.61: Mineral Marche #75 Darius Sunstone

739

This is a world where "Jewel-sama" are born with jewels in their eyes and special abilities. They live in a vast mansion called the "Jewel Box," and their duty is to grant people's wishes. The new arrival at the Jewel Box is Yuni, a girl with iron ore in her eyes, who is far from a beautiful jewel. Although she started her life as a "Master Jewel," she was not able to help people as much as she would like. Then she meets Alecrea, a master jeweler who is rumored to be a "Jewel Killer." He seems to be pursuing the unknown dark side of the jewelry box. In order to get closer to the truth, Yuni helps Alecrea and meets various other jewelry masters. Little does she know that she herself will eventually become the one to change the world. Follow your wishes and uncover the truth of the beautiful jewel box world. The unpredictable buddy and love fantasy between a girl with black iron and a rebellious young man begins! (Source: Pixiv, translated) <a href="https://comic.pixiv.net/works/10727" target="_blank" rel="noopener noreferrer">Original Web Release</a> <a target="_blank" rel="noopener noreferrer" href="https://www.cmoa.jp/title/324039/">https://www.cmoa.jp/title/3240...</a>

Ore wa Boukensha Guild no Akutoku Guild Master: Jinzai o Tekizaitekisho ni Tsuihou Shitara, Nazeka Mechakucha Kansha Saremashita

Chapter 14

375

Rumor has it there’s corrupt guildmaster who keeps banishing his members one after another. That “tyrant” is Act Enge—the founder and leader of the rising S-rank guild, Heaven’s Gem. Having once suffered a wrongful expulsion himself, Act refuses to cast anyone out without careful thought… and every person he banishes ends up landing an even better position! Surrounded by a cool-but-puppy-like maid, a tomboy princess, an absurdly strong hero, and a whole roster of eccentric allies who trust him deeply, this “corrupt” guildmaster just can’t stop finding, fostering, and banishing people! Source: Manga UP! Global

Phantom Whispers

Chapter 69

0

Noa has struggled with hearing unsettling voices since she was a child. But when a mysterious murder takes place, the voice in Noa's head urges her to uncover the killer. With the police skeptical and her sanity on the line, Noa must navigate a web of fear and suspicion, guided by a ghost, to catch a ruthless killer before she herself becomes the serial killer. Will Noa uncover the murderer, or will her own mind betray her? (Source: Webtoon) Original Webtoon: <a href="https://comic.naver.com/webtoon/list?titleId=823239" target="_blank" rel="noopener noreferrer">Naver Webtoon</a>, <a href="https://series.naver.com/comic/detail.series?productNo=10936575" target="_blank" rel="noopener noreferrer">Naver Series</a> Official Translations: <a href="https://www.webtoons.com/en/thriller/phantom-whispers/list?title_no=6882" target="_blank" rel="noopener noreferrer">English</a>, <a href="https://www.webtoons.com/fr/thriller/phantom-whispers/list?title_no=7085" target="_blank" rel="noopener noreferrer">French</a>, <a href="https://manga.line.me/product/periodic?id=Z0003565" target="_blank" rel="noopener noreferrer">Japanese</a>, <a href="https://www.webtoons.com/id/horror/phantom-whispers/list?title_no=7739" target="_blank" rel="noopener noreferrer">Indonesian</a>, <a href="https://www.dongmanmanhua.cn/SUSPENSE/youlingzhige/list?title_no=2831" target="_blank" rel="noopener noreferrer">S.Chinese</a>, <a href="https://www.webtoons.com/zh-hant/thriller/phantom-whispers/list?title_no=8193" target="_blank" rel="noopener noreferrer">T.Chinese</a>

Emotional Illness

Chapter 96

424

Everybody is crazy except me. But is it a misfortune to be sane in a crazy world? (Source: qq, edited)

Mood Disorder

Chapter 96

336

Read Mood Disorder / Emotional Illness From the Same Studio as the Manhua “Girl and Science”] Everybody is crazy except me. But is it a misfortune to be sane in a crazy world?

Ruby on the Cake: Feast of the Man-Eating Witches

Chapter 24

723

Within London dwells humanoid monsters that eat only men—Witches. In order to exterminate them, the British Secret Intelligence Service MI6 formed a unit known as RED. Ruby Blood, a young genius Witch Hunter, is a member of this unit. Off duty, she’s just an ordinary, fun-loving girl who loves food, her family, and most of all, her father’s home-cooked dinners. But on Christmas Night, something happens that changes her fate entirely… An eat-or-be-eaten girl-led suspense! Source: Manga UP! Global

Trapped as the Villain in My Favorite Dating SIM: But I Know How to Win over All the Heroines!

Chapter 8

763

Yuto Hatano has replayed his favorite dating sim, After School Flare Star, more times than he can count. Surely, his real school life would be way more fun if it were more like that game…but after the thought casually enters his mind one night, he wakes up inside Flare Star’s world—not as the protagonist Shun Ogasawara, but as the villain, Kanji Aku! With every heroine’s affection starting at rock bottom, his dream of romancing them all is already in shambles. Worse yet, one wrong choice means instant death. Armed with his expert game knowledge but hindered by his low stats and the heroines’ lower affection scores, Kanji must survive the game’s deadly routes to win over the girls and return to the real world! Source: Manga UP! Global

A Dating Sim of Life or Death

Chapter 92

197,383

One day, 25-year-old Hasegawa Ryou wakes up to see a holographic screen floating in front of him. The screen prompts him to save/load files and an item shop, as well as his stats. It seems like he's been sucked into some erotic love game, since his stats depend on seducing women and "capturing" them. After finding a target and going through game-like options, Ryou thinks he knows what he has to do to "capture" his target. Surely he needs to have sex with her, right? And yet when the woman turns out to be a murderer, Ryou finds out the shocking truth: he has to capture these women and unveil their secrets! And if he fails, he dies...

Waver(s)

Chapter 3: Research on Auditory Transmission

914

A teacher is murdered at a high school deep in the snowy mountains. 28 suspects are identified, all of them psychics.

The Final Case

Chapter 34

0

Kang In-soo, a legendary homicide detective, is given a terminal diagnosis. He's dedicated his life to justice, but now he's lost both his job and his family. One day, the vicious murderers he once apprehended escape prison. Detective Kang In-soo, who understands their actions and thoughts better than anyone else, dedicates the rest of his life to bringing the murderers to justice! Original Webtoon: <a href="https://comic.naver.com/webtoon/list?titleId=844588" target="_blank" rel="noopener noreferrer">Naver Webtoon</a>, <a href="https://series.naver.com/comic/detail.series?productNo=13357873" target="_blank" rel="noopener noreferrer">Naver Series</a> Official Translations: <a href="https://www.webtoons.com/th/drama/doomed/list?title_no=9280" target="_blank" rel="noopener noreferrer">Thai</a>, <a href="https://www.webtoons.com/id/action/the-final-case/list?title_no=9512" target="_blank" rel="noopener noreferrer">Indonesian</a>

Human Protection Company

Chapter 33

8,904

During the fourth civil service exam, Lee Yeon-woo barely survives the , which turns humans into beasts, and receives a job offer from a suspicious company called the "Human Protection Company."Can Yeon-woo, investigator in the anomaly research team of the "Humanity Protection Company," which isolates, secures, and studies abnormalities to protect humanity, safeguard the human world and survive until the end?

Clinic Of Horrors

Chapter 280

4,701,383

In a strange city, there is a clinic that will treat the victims of horrific diseases. For a price.

Campfire Friends

Chapter 54: Rolling Kiwi!

9,077

After another soul-crushing day at the office, Chaesu wakes up inside the world of Campfire Friends, a cartoon he used to watch as a child. As he spends more time with his colorful woodland pals every night, he begins to regain his lost childhood innocence. But behind their cheery kindness hides a chilling secret... Original Webtoon: <a href="https://comic.naver.com/webtoon/list?titleId=837439" target="_blank" rel="noopener noreferrer">Naver Webtoon</a>, <a href="https://series.naver.com/comic/detail.series?productNo=12331312" target="_blank" rel="noopener noreferrer">Naver Series</a> Official Translations: <a href="https://www.webtoons.com/en/thriller/campfire-friends/list?title_no=8563" target="_blank" rel="noopener noreferrer">English</a>, <a href="https://www.dongmanmanhua.cn/SUSPENSE/gouhuopangdepengyoumen/list?title_no=2854" target="_blank" rel="noopener noreferrer">S.Chinese</a>, <a href="https://www.webtoons.com/es/thriller/campfire-friends/list?title_no=9201" target="_blank" rel="noopener noreferrer">Spanish</a>, <a href="https://manga.line.me/product/periodic?id=Z0004080" target="_blank" rel="noopener noreferrer">Japanese</a>

Kaihen no Mahoutsukai

Chapter 46

987

Fantasy about a reclusive wizard who lives far from civilization in a remote castle, reluctant to accept any disciples. But when he meets a mysterious boy, it kicks off the prologue for a crisis that will threaten the whole world.

Tonikaku Kawaii

Chapter 362

224,985

From Viz: From the day his parents named him, Nasa Yuzaki has felt connected to outer space. Whether he likes it or not. His efforts to outperform the space program veer off course when an accident introduces him to Tsukasa, a mysterious girl with strange powers. Is she an alien, a moon goddess or something else? Since she insists on marrying him, Nasa will have plenty of chances to find out. <a href="https://www.viz.com/manga-books/fly-me-to-the-moon/series/725/section/90190/more" target="_blank" rel="noopener noreferrer">Official English</a>

Mao

Chapter 339

829

Onmyoji and Yokai? A girl's bizarre Taisho romance! When she was in the first grade of elementary school, her whole family was involved in an accident, but she is the only one who survived. In her third year of junior high school, she passes by the accident site again and is somehow transported back to the Taisho Era! The next day, Nanoka's physical abilities are awakened when she is told by Mao, a boy she met there who is an Onmyoji, "You are a demon, aren't you?" ___ Official Release: - Indonesian release by <a href="https://www.gramedia.com/products/mao-01" target="_blank" rel="noopener noreferrer">Elex Media</a> (2021)

Leu Leu Leu

Chapter 41

416

In the midst of ordinary daily life, monstrous creatures suddenly appear—and around them, students begin transforming into monsters one by one. Normality is utterly destroyed; rescue seems impossible. The students, forced into survival, band together in their own ways to fight and endure.

Miyu-chan wa Zutto Tomodachi

Chapter 45: Remember Me

88,734

In the summer of his second year of high school, the protagonist, Yuushin Tahara, finds that his childhood friend, Miyu Fukagawa, who had moved away, has returned to the house next door. Although Miyu has grown up to be quite cute, there's something a little strange about her... This is a fresh and suspenseful romantic comedy about the gentle protagonist and his cute but rather quirky childhood friend, along with their friends and the adventures they get into! <a target="_blank" rel="noopener noreferrer" href="https://www.cmoa.jp/title/304296/">https://www.cmoa.jp/title/3042...</a>

Accident Zone

Chapter 27: [Translated By Jim]

597

Go Jaehyeok was once a promising star in the world of kendo, but his life took a wrong turn. Han Yeongwon, a senior police officer at the Daehan precinct, was the one who tried to keep Jaehyeok from straying. Completely different in personality, habits, and even the smallest details, the two men share only one thing in common: a child. Because of that child, they come face to face again. Lacking any knowledge of childcare, Jaehyeok begins living with Yeongwon and learns things one step at a time. Along the way, he also starts to feel the effects of his own traits as a dominant alpha. With their individual wounds, their children, and the confusing emotions they feel toward one another, the two men become entangled, slowly but surely forming a family of their own. --- Original Webtoon: <a href="https://www.bomtoon.com/detail/AccidentZone" target="_blank" rel="noopener noreferrer">Bomtoon</a>

K-9: Keishichou Kouanbu Kouan Dai-9-Ka Inou Taisaku Gakari

Chapter 75

4,276

“Sin”— an ability that manifests when one commits a crime. Detective Ren Hizuki from Tokyo MPD, Investigation Division 1 spends her days battling the rise in heinous crime spurred on by these “sin.” One day, she’s reassigned to the newly established Public Security Bureau, Division 9 and encounters the cowardly Detective Yushiro Oboro. As the two of them begin investigating special ability cases together, Division 9’s hidden secrets—as well as Oboro’s true identity—come to light! Source: K Manga

Chronicles of the Demon Slayer

Chapter 18

599

After brutally beheading the demon that murdered his parents and displaying its severed head as a warning, the young boy "Yi-Se" becomes feared rather than praised. Shunned by the villagers and branded a monster for his merciless vengeance, he finds himself with nothing left to live for. With no attachment to life and no place to call home, "Yi-Se" sets out on a solitary journey... one driven not by hope, but by an unquenchable thirst for revenge. His vow is absolute: Every demon must perish. Only then will his vengeance be complete. **Original Webtoon** [Naver Webtoon](https://comic.naver.com/webtoon/list?titleId=851689), [Naver Series](https://series.naver.com/comic/detail.series?productNo=14298592)

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