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

Anna, a traveler from another dimension, enters the ominously nicknamed Lohengrin Marquisate—known as “The Swan’s Grave” as a maid, seeking a way back to her original world. There she unexpectedly encounters Marquis Rothbart, who mistakes Anna for his long-lost wife and takes her by force. He then makes an astonishing proposal: “Become my wife’s replacement.” Rothbart also reveals a shocking truth: for Anna to return home, she must bear a child with someone from this world. While Anna wrestles with the decision, Svanhild, Rothbart’s son, lingers near her, pleading: “I… I want a mother, Anna.” It is a relationship fated to end and a condition she cannot refuse. Determined to return to her own world at any cost, Anna ultimately accepts Rothbart’s proposal… +

Taming the Arrogant Grand Duke

Chapter 72

787

I was on the verge of being sold as the new wife of an aging count.To overcome the crisis and reclaim my family’s honor, I sought out the Grand Duke.“I need the Grand Duke.”I spent a night with him, thinking it would be nothing more than a fleeting encounter,but then the Grand Duke came looking for me.“Hello, pretty one. So this is where you were hiding,after stealing a man’s first night.”That night… turned out to be the Grand Duke’s first night.And what’s with that leash around his neck…? +

Debut or Die!

Chapter 113

281

After a night of drinking, aspiring civil servant Ryu Geonwu passes out, only to awaken three years in the past in the body of a young man named Park Moondae. Before he can even assess the situation, he's given a mission: Debut or Die! Now, Moondae has one year to debut as an idol or face his doom. Luckily, he's able to snag a spot on the famous survival program "Idol Inc.," but with his skills so low and the competition so high, does Moondae stand a chance at becoming a shining star? <a href="https://twitter.com/idolinc_?t=D84l_jB9ncXmBTDDIgKwAg&s=09" target="_blank" rel="noopener noreferrer">Idol Inc Twitter</a> Original Webtoon: <a href="https://page.kakao.com/content/59782511" target="_blank" rel="noopener noreferrer">KakaoPage</a>, <a href="https://webtoon.kakao.com/content/%EB%8D%B0%EB%B7%94-%EB%AA%BB-%ED%95%98%EB%A9%B4-%EC%A3%BD%EB%8A%94-%EB%B3%91-%EA%B1%B8%EB%A6%BC/3008" target="_blank" rel="noopener noreferrer">Daum</a> Official Translations: <a href="https://tapas.io/series/debut-or-die/info" target="_blank" rel="noopener noreferrer">English</a>, <a href="https://jp.piccoma.com/web/product/120261" target="_blank" rel="noopener noreferrer">Japanese</a>, <a href="https://page.kakao.com/content/67073742" target="_blank" rel="noopener noreferrer">Thai</a>, <a href="https://www.webtoons.com/id/drama/debut-or-die/list?title_no=8627" target="_blank" rel="noopener noreferrer">Indonesian</a>, <a href="https://www.webtoons.com/zh-hant/time-slip/debut-or-die/list?title_no=8991" target="_blank" rel="noopener noreferrer">T.Chinese</a>, <a href="https://manga.bilibili.com/detail/mc40034" target="_blank" rel="noopener noreferrer">S.Chinese</a> *Note: •Idol Inc is the official Idol Program role play account in the story. <a href="https://www.mangaupdates.com/authors.html?id=56221425244" target="_blank" rel="noopener noreferrer">Teng (텡)</a> is the Illustrator for the novel the webtoon is based on. •Some of the tags are base on the novel and are put before the manhwa reaches them to warn upcoming readers.*

Buddha

Chapter 66

836,434

(from ebookjapan): Some 3,500 years ago, the Arians living on the banks of the Indus River had established a caste system with Brahmins at the top. Shortly before the birth of Siddhartha, the hero of this story, Chapra, who was born a slave, became his adopted son after helping a general of the Kosala kingdom. He then hid his origins and sought the position of power, but Chapra, too, could not escape the curse of the status system... Here begins the epic story of the Buddha's life and the times in which he lived! The complete biography of Buddha, as seen by Osamu Tezuka. --- Official Release: - English release by [Kodansha US](https://kodansha.us/series/buddha/) - Indonesian release by Kepustakaan Populer Gramedia (KPG) --- - **Won the 21st Bungei Shunju Manga Award in 1975, along with another short work of Tezuka's, Animal Tsurezuregusa (included in Paper Fortress)** --- **Volumes 287-300 of the Osamu Tezuka Complete Works**

Master of the Island

Chapter 15

615

Jude is stranded on a deserted island with an entitled family that has been treating him like their personal servant. Is this his chance to finally call the shots? <a href="https://www.toomics.com/uplmscg/episode/toon/8896" target="_blank" rel="noopener noreferrer">Original Webtoon</a> Official Translations: <a href="https://toomics.com/en/webtoon/episode/toon/8896" target="_blank" rel="noopener noreferrer">English</a>

Mixed Blood

Chapter 6

471

Untold secrets of the body that history never dared to record.From the top of your head to that place…

Pure Heart Of A Monster

Chapter 62

184,477

A nation that lives in the depths of the sea. Taerang the king of the White Seas has not had a heart since he was born. To have it he must take the heart of the woman who loves him. But Taerang, who cannot have contact with any woman due to a curse, was giving up on life. Surprisingly, appears Solu, a woman who can touch him without activating the curse!Then Taerang the existence of heaven and earth begins to try to get his heart back because of that woman!Pure Heart Of A Monster, The Pure Heart of a Monster, mangabuddy is a website dedicated to fans of anime, , , , video games, and cosplay. Where you may find all of your anime-related memes, recommendations, reviews, manga recommendations, character fanfiction, favorite quotations, and simply those ordinary anime things that you enjoy, particularly memes.You can , online for free at mangabuddy. Chapters are updated hourly with high-quality graphics and a full English translation. Find free translations of your favorite , and . The latest updated content on mangabuddy is now available.

Blood Poker

Chapter 40

934

Ha Jae-il, the strongest esper, was reawakened from C-class to A-class. He suffers from severe insomnia due to the lack of guides with high match rates. To make matters worse, he refuses guiding via physical contact due to his past trauma. One day, Ji Seung-hyun, an A-class guide with a 98% match rate, shows up. But he's from the anarchic District 13 and he has no idea how to do even the most basic of guiding tasks. Eventually, the Haon Centre orders him to go to extreme lengths to attempt guiding... which is to have them sleep in the same bed twice a week. That night, Jae-il wakes up to an unfamiliar touch... He wakes up to find Seung-hyun on top of him. "Come here... you have such beautiful eyes..." Seung-hyun's alter ego begins to perform guiding on Jae-il... **Original Novel:** [RIDI](https://ridibooks.com/books/2336005951), [Bomtoon](https://www.bomtoon.com/detail/BloodPoker), [MrBlue](https://www.mrblue.com/novel/E000097453), [Bookcube](https://www.bookcube.com/detail.asp?series_num=921020057) **Original Webtoon:** [Lezhin](https://www.lezhin.com/ko/comic/blood_poker), [Bomtoon](https://www.bomtoon.com/detail/blood_poker)

Ichigeki

Chapter 47

687

A martial arts historical series about a peasant turned samurai and caught in the turmoil of the final year of the Edo Period (1868).

Words From Across the Sea

Chapter 15

200

Interpreter Byun Seung-jun, who came from faraway Hanyang to learn from Choi Na-ri, belatedly learns of Choi Na-ri's death and takes her disciple Yeo-an as his mentor in her stead. As the lessons begin, Byun Seung-jun's perspective on his teacher, Yeo-an, gradually changes...

Mo Ri Hen Ren: Kaiju Tunji Wan Yi Wuzi

Chapter 134

922

The earth is affected by unknown energy, the core expands, and natural disasters and doomsday come. Extreme heat, earthquakes, volcanic eruptions, floods, severe cold... natural and man-made disasters come one after another! Su Chen struggled through the apocalypse and finally entered the safe zone, but was betrayed by his girlfriend in the end! Reborn and returned to one month before the end. This time, I only live for myself! Original Webtoon: <a href="https://www.kuaikanmanhua.com/web/topic/21809/" target="_blank" rel="noopener noreferrer">KuaiKan Manhua</a> Official Translations: <a href="https://jp.piccoma.com/web/product/169930" target="_blank" rel="noopener noreferrer">Japanese</a>

Ohten no Mon: Gate of Secrets

Chapter 33.5: Volume 6 Omake

965

Heian period Japan. The Fujiwara family is plotting to seize power at the court, when two maids suddenly go missing from the capital. The emperor fears that it is the work of a demon, and orders Ariwara no Narihira to work with a young man. The boy's name is Sugawara no Michizane. Sugawara no Michizane, a shut-in student, and Ariwara no Narihira, a Kyoto playboy, are twenty years apart in age. They are different in status and birth, yet work together to solve the mysteries of Kyoto! ___ Official English: <a href="https://emaqi.com/manga/ohten-no-mon-gate-of-secrets" target="_blank" rel="noopener noreferrer">emaqi</a> - United States & Canada only.

Kou 1 Desu ga Isekai de Joushu Hajimemashita

Chapter 46: Recapture

487

Accidentally summoned by an ancient map, first year high school student, Kiyokawa Hiroto is forced by the arrogant Lord of the castle to exterminate the vampire that has been haunting his castle. Unexpectedly befriending a girl from Mummy tribe, Hiroto skillfully managed to capture the Vampire with her help. However, he is soon framed by the Lord of the castle.

Rooftop Sex King

Chapter 80

105,372

HYUNG-SIK has one problem: The size of his dick. But he can't say no when he's offered a mysterious series of missions that promise to boost his size. With each challenge growing harder and hotter, will he be able to become a legend?! "Take a peek at the landlord's wife's naked body." [Original Webtoon](https://toptoon.com/comic/ep_list/Rooftop_House_yasking) **Official Translations:** [English](https://daycomics.com/content/103564), [Japanese](https://toptoon.jp/content/%E5%B1%8B%E4%B8%8A%E3%81%AE%E3%83%8F%E3%83%A1%E3%82%AD%E3%83%B3%E3%82%B0-/104098), [T.Chinese](https://www.toptoon.net/comic/epList/81157)

18 Rin

Chapter 19

88,307

Follows the story of Rinko Ikeuchi, the daughter of wealthy parents who's on the fast track to enter medical school, but when her family falls on hard times Rinko is forced to take a job, any job, to make ends meet. When the handsome Sawakura shows up offering Rinko gainful employment she can't really say no, even after she realizes that it involves working as a production assistant in the world of hardcore adult videos. --- Live-action movie links: * [IMDb](https://www.imdb.com/title/tt1411822/) * [AsianWiki](http://asianwiki.com/Rinko_Eighteen)

Dreaming Of The Dokkaebi

Chapter 86

903

Ju Minchan had always suffered from frequent fevers as a kid because of some unfortunate curse. Now as a young adult, his condition has worsened into seizures which he can only keep at bay by hunting spirits. As if things couldn’t get any worse, the effectiveness of this method starts diminishing as his seizures become more recurrent. Then, he learns about a powerful being who could lift his curse. Despite the risk that comes with hunting down this being, Minchan readily jumps at this chance to finally escape his harsh fate only to find out that he was never destined to live a normal life… *(Source: Tappytoon)* **Official Webtoon:** **R19:** [RIDI](https://ridibooks.com/books/4895001910) **R15:** [RIDI](https://ridibooks.com/books/4895001911) **Official Translations:** **R19:** [English](https://www.tappytoon.com/en/book/dreaming-of-the-dokkaebi-m), [French](https://www.tappytoon.com/fr/book/dreaming-of-the-dokkaebi-fr-m), [German](https://www.tappytoon.com/de/book/dreaming-of-the-dokkaebi-de-m), [T.Chinese](https://www.bomtoon.tw/detail/goblin_dream), [Japanese](https://www.beltoon.jp/detail/sangi) **R15:** [English](https://www.tappytoon.com/en/book/dreaming-of-the-dokkaebi), [French](https://www.tappytoon.com/fr/book/dreaming-of-the-dokkaebi-fr), [German](https://www.tappytoon.com/de/book/dreaming-of-the-dokkaebi-de) ##### NOTE: All official R19 translations are uncensored, except for Japanese.

Incubus Days

Chapter 7

679

Suhyeon, who has been a lifelong single for 30 years, loses his life in a traffic accident and comes face to face with a mysterious person who claims to be a “god.” This “god” offers him another chance at life but in exchange, Suhyeon must become an incubus rather than a human, and survive by receiving men’s vital energy… [Original Webtoon](https://ridibooks.com/books/1642009974)

Kiss Death

Chapter 85.5

935

From the perspective of an alien planet with super-advanced technology and tiny (1/60th the size of a human) inhabitants, planet Earth was the perfect location to banish their worst criminals. Five of said criminals were sent to the planet to be exiled, attached to little critters like frogs and rabbits so they can never be fully active. Due to an accident, these five criminals managed to escape and attach themselves to five different girls that were nearby. The one responsible for the banishment of these five criminals now must detach them from the girls by mouth-to-mouth release. ___ A new manga by Kano Yasuhiro - author of [MX0](https://mangadex.org/title/200)

Jikan Teishi Yuusha - Yomei 3-ka no Settei ja Sekai o Sukuu ni wa Mijika Sugiru

Chapter 61: Sunlight an Stop

754

KUZUNO Sekai was transported to a medieval fantasy game-like world (isekai). He was given a game controller with the ability to stop time and a 3 days countdown timer. Now he has to figure out the mechanics of this game world and clear it in time.

INVISIBLE PARTNER

Chapter 41

4,514

Gay and into BDSM, Jihwan’s lonely life, where nothing about him is ordinary, takes a turn when his perfect ideal type, Jaerim, appears. He lied about his age and status just to catch his interest— just to learn that Jaerim is a straight guy trying to learn about a kink so he can satisfy his masochistic girlfriend. "I can only learn so much on my own. Jihwan, I need your help." There’s a limit to how much bullshit one person can take. Jihwan immediately shuts down Jaerim’s absurd request. But no matter how hard he tries to ignore him, Jaerim just won’t leave him alone… [Original Webtoon](https://www.bomtoon.com/detail/Invisiblepartner) **Official Translations:** [French](https://www.lezhinfr.com/detail/bt_1111197), [T.Chinese](https://www.bomtoon.tw/detail/Invisiblepartner), [German](https://www.lezhinde.com/detail/dbd_00470) *Note: All official translations are uncensored.*

Tatoe Hai ni Natte mo

Chapter 56

634,215

[**Series is cancelled due to author's death**](https://www.animenewsnetwork.com/news/2019-02-27/though-you-may-burn-to-ash-manga-kakashi-oniyazu-passes-away/.143962) For his beloved younger sister's treatment, Shinomiya Ryouma is working frantically to raise a billion yen while going to high school. One day, a mysterious woman asks him, "Can you put your life on the line for what you desire?" and after receiving a ticket from her, an accident befalls him! When he wakes up, he finds he's turned into a girl and what's more, he's participating in a "game" where a win means he can reverse his fate but a loss means he'll die instantly!

In Bed With the Male Lead

Chapter 26

642

Richard, the second male lead, has failed to win the heroine's heart across dozens of regressions. Every time, the heroine ends up with the trashy male lead, leaving Richard—destined to be the second male lead—discarded and alone. Unable to watch her choose the male lead once more, Richard decides after forty-eight regressions to try one final method: seducing the male lead himself.

Misfit On The Florida

Chapter 3

447

Salvo Vigali, an eccentric Italian who still can't speak English despite having lived in Florida for three years. Although he is a world-famous writer, instead of staying in a hotel, Salvo is wasting away in a shabby motel in Florida, waiting for someone. Longing for his hometown of Sicily, Salvo hires Ben, a rough-around-the-edges janitor he has just met, as his assistant and English teacher—simply because Ben speaks with the same accent as people back home... And so begins the unlikely relationship between an eccentric Italian writer and a delinquent cleaner who becomes his English tutor.

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