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

The Queen’s Mark Priestess of the Fallen Nation

Chapter 48

731

On Himon Island, where the legend of the Cursed Ancient Princess of Evil—the Immortal Princess—sleeps, shrine maiden Mikoto steps into a forbidden forest. In that very moment, an unprecedented earthquake strikes, awakening the curse…!? Thus begins the battle of Mikoto and the lecherous Self-Defense Force officer Tatsumi against the cursed Immortal Princess! From Katou Kyashii, author of Kigoku no Yoru, comes an erotic horror where deadly combat and forbidden pleasures intertwine!

My Sexy Snail Bride

Chapter 18

296

I come home from work to find a warm dinner waiting for me on the table. Hold on… I live alone, don’t I? Someone is secretly sneaking into my place to cook, clean, and even do my laundry… and honestly? It’s so convenient that I’ve already gotten used to it!

Ningyou Touge

Chapter 90

98,503

A group of high school students visit the inside of a mountain on an agricultural trip. While staying at a farmer's home, they learn the rural life. However, the village doesn't exist...? A shudder runs down everyone's spine as a lot of inexplicable events happen in the village, that now restricts entry. What are the high schoolers fate?

Nani mo Warakanai

Chapter 16.5

955

What if you lost all your memories and were suddenly thrown into an unfamiliar world? And what if you couldn't understand a word the other person said…? In this new world, with this unknown girl. A survival communication story in a different world, starting from zero knowledge, begins!

Sousei no Taiga

Chapter 122

9,911,318

A story of a young man who lacks a sense of reality after being dumped by his lover. He was visiting a seminar on cultural anthropology with his fellow classmates when he discoveres an ancient wall painting, which transports him to the past where mammoths dominated the world.

Miyu-chan wa Zutto Tomodachi

Chapter 40

88,734

In the summer of his second year of high school, 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…

The Painter Who Draws Dungeons

Chapter 15

822

Seo Gio was just a normal art teacher in the school, but because of the fire accident in the school, he saved his students and sacrificed himself in the fire.Somehow after his death, he was summoned into the other world... No, should we say he became the "portrait" ghost?

A Tyrant Husband

Chapter 35

744

“No matter how dark it gets, I can recognize you. Your scent, your breathing—even the way you walk.” Her excessively perfect tyrant of a husband is suspicious in every way. Even if she has lost her memories, should she be this wary of the man she once loved—this frightened by him? Eunsol cannot bring herself to trust anything about him. **Original Webtoon:** R19: [Naver Series](https://series.naver.com/comic/detail.series?productNo=13685701), [RIDI](https://ridibooks.com/books/4403014716) R15: [Naver Series](https://series.naver.com/comic/detail.series?productNo=13684881), [RIDI](https://ridibooks.com/books/4403014717)

The Seventh Client

Chapter 14

185

일곱 번째 의뢰인 Original Webtoon: Naver Webtoon, Naver Series

Ayame-san is Too Kind, but Only to Ota-kun

Chapter 1: Dating

197

In a "shitty rural" school where simply being an otaku makes you a target of bullying, Ota, a boy who loves idols, is inexplicably doted on by Ayame-senpai, a girl renowned for her beauty. Ota, who is routinely subjected to violence from his classmates and insulted by his parents as a disgrace to the family, and lives a miserable life. Understandably, he is confused by Ayame-senpai's sudden advances. What exactly is she thinking? A "terrifying romantic comedy" unfolds, with a mixture of sweetness and horror!

My Anonymous Benefactor

Chapter 58

861

Judith, a war orphan of a defeated nation, concealed her identity and exiled to the federal state. She has an anonymous supporter, whom she never met or knew his name, age or how he looked.On one summer day, five years after she sent her letter to her anonymous supporter, once a month with gratitude, she received a letter from him. "Miss Judith, how about spending this summer at Waltz's Curtis mansion?"Waltz, the capital of Baja, from where the letter was sent, Judith's heart bloomed with happiness by receiving a letter from her sponsor. She was amazed to see the skyscrapers, the kind which she saw in the newspapers, which she had never seen in her life."Miss Judith, don't trust your sponsor too much ."As soon as Judith got off the train, she got involved with an infamous gangster."I didn't know there were guests. That said, a lady too."At the sponsor's mansion, which she had finally arrived, there was a suspicious someone that lived in the house instead of her sponsor. "I don't share anything that comes into my hand once."And the real owner of the mansion who had returned after a while.In the hot summer, as the strange air current spreads around her and the three men, the number of questions gradually increases. "Have you ever thought it was weird? About the things they erased from your memories."Of the three men who hide their secrets, a nobleman from a foreign country, a successful businessman in the military business, a boss of a low-quality gang, who really is her sponsor?*This is a promo Manhwa for the Novel*+

If Only Hina Is Still Alive

Chapter 2

923

High school student Sora Ueno lives in a small mountain town, but she has never truly felt comfortable there. The only person she could open her heart to was her childhood friend, Hinako. However, on the night of the Minazuki Festival in 1984, Hinako mysteriously disappeared. Everyone in the village claimed it was a "kamikakushi"—a divine abduction—and they made little effort to search for her.Years passed, and in 1988, Hinako suddenly returned... looking exactly the same as she did four years earlier. After her "return," Hinako faces fear and rejection from the villagers and slowly becomes isolated. Determined to protect her no matter what, Sora stays by her side. But soon, disturbing mysteries surrounding the town and Hinako's disappearance begin to surface...

Interviews with Monster Girls

Chapter 78: Final Chapter ... Demis Want to Share Their Stories(2)

860

Succubus, Dullahan and Vampire. They are known as demi-humans, or "demi"s and are slightly different than the average human. They have lived alongside humans for ages under persecution. However, in recent years, they have become accepted as members of society. This manga follows a high school biology teacher who has a great interest in demis and his interaction with the various demis in his school, each with their own cute problems. INKR Comics

Inemurinagaya no Nekokashi Kuro

Chapter 15: Episode 14

391

Quietly nestled within the hustle and bustle of the capital Edo is an infamous “cat rental shop.” Some cats get rented out; some cats get bought – everyone knows that as long as their problems are related to cats, there’s no better place to go. Adding to the mysteriousness is its beautiful owner Kuro, whose age and gender are both well-hidden secrets. Day after day, troubled customers come a-knocking… (Source: Manga Planet)

Nishikigoi

Chapter 7

982

A record-breaking auction price of 200 million yen. On a small, isolated island flourishing through the breeding of Koi... lies a hidden truth. https://comic-action.com/episode/2550912965948576966

Lord of Mysteries

Chapter 22

375

From Webnovel: With the rising tide of steam power and machinery, who can come close to being a Beyonder? Shrouded in the fog of history and darkness, who or what is the lurking evil that murmurs into our ears? Waking up to be faced with a string of mysteries, Zhou Mingrui finds himself reincarnated as Klein Moretti in an alternate Victorian era world where he sees a world filled with machinery, cannons, dreadnoughts, airships, different machines, as well as Potions, Divination, Hexes, Tarot Cards and Sealed Artifacts. The Light continues to shine but mystery has never gone far. Follow Klein as he finds himself entangled with the Churches of the world, both orthodox and unorthodox, while he slowly develops newfound powers thanks to the Beyonder potions. Like the corresponding tarot card, The Fool, which is numbered 0. A number of unlimited potential. This is the legend of "The Fool." Original Manhua Official English

Boku wa Kimitachi wo Shihai suru

Chapter 66

3,951,631

During a class reunion, the school became an enclosed dimension without warning. Yelling and screaming brought no response. 26-year old unemployed Haruka Sato has to survive by cooperating with seven of his former classmates. Soon, the extreme conditions began to eat away at their sanity, and Haruka's hidden desires began to take hold.

Paranormal Agent Adashino

Chapter 9

869

Curses, spirits, and apparitions—bizarre manifestations known collectively as "paranormal phenomena." It’s up to Paranormal Agent Adashino Abi to contain the chaos and minimize the supernatural damage. With every day bringing a dangerous new case to him, Abi is about to find out that these strange mysteries have just begun...

Eko Eko Azaraku

Chapter 137

603,523

Misa Kuroi, a beautiful girl who manipulates black magic. When the spell of "Eko Eko Azarak" resounds, something happens in the city and in the classroom... The gold standard of occult mysteries is finally here!

The Secret Tutor of Lord Preston

Chapter 21

277

A woman with a hidden past takes on a discreet position as a private tutor in the prestigious Preston household. Tasked with educating a young noble, she quickly realizes that the estate holds more secrets than she anticipatedespecially its enigmatic master, Lord Preston.As she tries to keep her own identity concealed, unexpected tensions and a growing attraction begin to form between her and the lord of the house. But with secrets on both sides, their relationship walks a dangerous line between trust and deception.

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