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

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)

Fairy Tail: 100 Years Quest

Chapter 222

27,303,870

After overcoming the threat of Acnologia and Zeref, Fairy Tail has become stronger and more energetic! The 100 year quest which Natsu and company left for, and also to the members who had remained at the guild, something new is going to happen!? Although the story was supposed to have concluded, a new adventure now begins! ___ Official English Volumes: <a href="https://kodansha.us/series/fairy-tail-100-years-quest/" target="_blank" rel="noopener noreferrer">Kodansha USA</a>

Regarding a Certain Unsolved Case

Chapter 13

517

Journalist Rei Kurisu has worked at his company for eight years but has never landed a major scoop, leaving him frustrated with his career. When he learns that the site of an infamous unsolved mass murder case involving an entire family in K City is about to be demolished, he decides to investigate the location.While examining the scene, he discovers a mysterious photograph that seems connected to the crime. As he continues digging into the case, Rei uncovers hidden truths and shocking details about the victims' past, leading him deeper into a disturbing mystery that refuses to stay buried.

Tune In To The Midnight Heart

Chapter 133

2,204,617

"Late at night, alone on my bed, your voice was the only thing that saved me. I want to talk to you again. There's something I want to say." Without knowing her real name or face, Yamabuki Arisu, a second-year high school student, was looking for a girl named "Apollo'' who was a livestreamer. However, one day, Arisu gets a clue about Apollo from the broadcast club of the high school where she is going. There were 4 beautiful girls who dreamed of "getting a job related to voice"!! Who is Apollo? What will happen to the dreams of the four people? ___ Links: - Official English - <a href="https://kmanga.kodansha.com/title/10568/episode/347385" target="_blank" rel="noopener noreferrer">K MANGA</a> (U.S. Only)

Vesper

Chapter 22

648

Marquis Calix Adrian, the magistrate of the Elak Empire and the head of the detachment 'Vesper', hears intelligence and discovers bloodied dead bodies and Aran Pavel, who emits mysterious power under the light of the pure white full moon, where he arrived. “I will command you to be my guardian.” For some reason, Callix could not go against Aran's words, and Aran, who collapsed leaving only mysterious words, lost all memories of the incident! In this chaotic situation, Callix uses recovery as an excuse to keep Aran in his mansion. Original Webtoon: R19: <a href="https://www.bomtoon.com/detail/VESPER" target="_blank" rel="noopener noreferrer">Bomtoon</a>, <a href="https://www.lezhin.com/ko/comic/vesper" target="_blank" rel="noopener noreferrer">Lezhin</a>, <a href="https://ridibooks.com/books/505080532" target="_blank" rel="noopener noreferrer">Ridibooks</a>, <a href="https://series.naver.com/comic/detail.series?productNo=10884380" target="_blank" rel="noopener noreferrer">Naver Series</a>, <a href="https://www.mrblue.com/webtoon/wt_000062133" target="_blank" rel="noopener noreferrer">MrBlue</a>, <a href="https://www.bookcube.com/toon/detail.asp?webtoon_num=240263" target="_blank" rel="noopener noreferrer">BookCube</a>, <a href="https://www.mcomics.co.kr/webtoonComic/12108" target="_blank" rel="noopener noreferrer">MComics</a>, <a href="https://www.toon365.com/domestic/domestic_detail.asp?toon_idx=44583" target="_blank" rel="noopener noreferrer">Toon365</a>, <a href="http://sub.manhwa.co.kr/pre_sm/detail/read.php?no=3399028" target="_blank" rel="noopener noreferrer">ManhwaSub</a>, <a href="https://www.aladin.co.kr/shop/wproduct.aspx?ItemId=336691822" target="_blank" rel="noopener noreferrer">Aladin</a>, <a href="https://ebook-product.kyobobook.co.kr/dig/epd/ebook/E000006993357" target="_blank" rel="noopener noreferrer">KyoboBook</a>, <a href="https://www.yes24.com/Product/Goods/125606116" target="_blank" rel="noopener noreferrer">Yes24</a> R15: <a href="https://www.bomtoon.com/detail/VESPER_15" target="_blank" rel="noopener noreferrer">Bomtoon</a>, <a href="https://ridibooks.com/books/505080541" target="_blank" rel="noopener noreferrer">Ridibooks</a>, <a href="https://series.naver.com/comic/detail.series?productNo=10884522" target="_blank" rel="noopener noreferrer">Naver Series</a>, <a href="https://www.mrblue.com/webtoon/wt_000062135" target="_blank" rel="noopener noreferrer">MrBlue</a>, <a href="https://www.bookcube.com/toon/detail.asp?webtoon_num=240264" target="_blank" rel="noopener noreferrer">BookCube</a>, <a href="https://www.lezhin.com/ko/comic/vesper_all" target="_blank" rel="noopener noreferrer">Lezhin</a> Official Translations: R19: <a href="https://www.ono.live/webtoon/18-under-the-moonlight" target="_blank" rel="noopener noreferrer">French</a> R15: <a href="https://www.ono.live/webtoon/under-the-moonlight" target="_blank" rel="noopener noreferrer">French</a>

Jinrui Kyuusai Game

Chapter 149

234

One day, Doppo, the high school protagonist, suddenly heard a voice from his phone saying "The game has begun" and that the "chosen challengers" have been taken to another world. If they complete their mission, they can return to their original world. However, this new world is filled with terrifying monsters... Can they survive and return to their original world?!

Death Loop

Chapter 18

945

When Hong Yeonhwa regains consciousness, she finds herself trapped in an underground storage room. Yeonhwa suffers several horrific deaths at the hands of the man who imprisoned her, but time keeps repeating itself again and again. After barely managing to escape that place, what she finds waiting before her is a terrifying-looking monster. Will Yeonhwa be able to keep moving forward in the face of endless death…? Original Webtoon: <a href="https://comic.naver.com/webtoon/list?titleId=852086" target="_blank" rel="noopener noreferrer">Naver Webtoon</a>, <a href="https://series.naver.com/comic/detail.series?productNo=14366954" target="_blank" rel="noopener noreferrer">Naver Series</a>

Desire Diary - Deep

Chapter 160: Chapter 160 Model (7) - Perfect

140

"Tales of Greed" is back with an even deeper story! What if the desires that every human can have become a reality? Will the outcome ultimately lead to happiness or bring about destruction? Original Webtoon: <a href="https://comic.naver.com/webtoon/list?titleId=818448" target="_blank" rel="noopener noreferrer">Naver Webtoon</a>, <a href="https://series.naver.com/comic/detail.series?productNo=10378944" target="_blank" rel="noopener noreferrer">Naver Series</a> Official Translations: <a href="https://www.webtoons.com/id/thriller/diary-of-desire-deep/list?title_no=6100" target="_blank" rel="noopener noreferrer">Indonesian</a>, <a href="https://manga.line.me/product/periodic?id=Z0004077" target="_blank" rel="noopener noreferrer">Japanese</a>

The Regressed Sword Saint’s Magic Theory

Chapter 43

116

In a world where humanity battles monsters, every warrior faces a critical choice between two paths: become a mage who wields supernatural miracles, or become a swordsman who masters superhuman techniques. Oscar chose the path of the sword. From childhood, he swung his blade relentlessly, eventually climbing to the pinnacle as a 剣聖 (Sword Saint)—the highest rank a swordsman can achieve. He cut down ferocious monsters, received the admiration of the people, and walked a path that anyone would envy. Yet deep in his heart, Oscar harbored a secret longing—he had always wanted to become a mage instead.

The Old Man Next Door

Chapter 44

870

Yuki, a girl living in a rural town, studies art with the goal of becoming a painter in the city. One day, her sister leaves the town to fulfill her own dreams. Yuki boards the train with her to see her off, but during the journey, she is struck by a strange phenomenon!? Is it reality or an illusion... A chilling horror.

Humanity Protection Company

Chapter 33

38,912

'HUMAN QUALIFICATION TEST'. A test that turns the test taker into a beast when they fail. 'YEON-WOO LEE' is the survivor of the HUMAN QUALIFICATION TEST, and two men approach to give him two options. YEON-WOO must decide between living a normal life with his memories erased and working in a company that protects humanity from abnormalities. With the hope of getting a job, he decides to take the latter option. After starting work in the company, YEON-WOO must fight against incomprehensible objects, creatures, and happenings with the survival instincts he did not know he had. <a href="https://novelpia.com/novel/113374" target="_blank" rel="noopener noreferrer">Original Novel</a> Original Webtoon: <a href="https://page.kakao.com/content/64084597" target="_blank" rel="noopener noreferrer">KakaoPage</a>, <a href="https://webtoon.kakao.com/content/%EC%9D%B8%EB%A5%98%EB%B3%B4%ED%98%B8%ED%9A%8C%EC%82%AC/4072" target="_blank" rel="noopener noreferrer">Daum</a> Official Translations: <a href="https://jp.piccoma.com/web/product/183032" target="_blank" rel="noopener noreferrer">Japanese</a>

The Eldest Daughter Walks Down The Flower Path

Chapter 49

887

To parents who had wanted a son, their eldest daughter was neither useful nor lovable. Born as the eldest daughter of the Tilord family, Ladis was always forced to make sacrifices. But after striving until her very body was broken, what she received in return was ultimately her family’s betrayal. “It was all a futile dream. I shouldn’t have lived for my parents, for my siblings, for my family, or for the family name. I should have lived for myself!” In that final moment she thought was the end, Ladis was transported back to the age of sixteen.(Source: KakaoPage, translated)

Twilight Blade

Chapter 15

881

Hikari, a young boy who lost his mother in a fire, begins living with Yojin, the investigator assigned to the case. Their peaceful life is often interrupted by the appearance of otherworldly creatures. A stylish action adventure that takes place in between the mundane and the mysterious now begins!

Spica of Sin and Punishment

Chapter 43: Spica's Summer Break ⑭

696

Hatori, a high school teacher leading an ordinary life, notices one day that his student, Spica Tsumugi, is being bullied. On a rainy day after school, Hatori finds himself alone with Tsumugi by chance. Hatori tells her, "I'll do something about it!" but Tsumugi gently takes his hand and says with a smile, "Hatori-sensei, you're such a liar." Teacher and student... two people who should not get too close. This somewhat bewitching girl will dramatically change Hatori's ordinary life.

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