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

Ero: The Princess Submits

Chapter 40

698

Fallen to the invasion of the Demon King Zermes, the noble royal princess and queen of the Solaris Kingdom begin their awful days as sex slave instructors, branded with the ‘womb tattoo’ that forces them to seek pleasure. The queen who chooses her own corruption for the sake of her daughter, and the princess who lost even the smallest bit of hope gradually become tamed to the Demon King's pleasure...

Tutor's Efforts: A Million-Dollar Mission

Chapter 116

794

The teachers' struggle to send SI-YOON MIN, the son of the chairman of the IR Group, to a prestigious university begins! With a $1 million performance bonus at stake, it's no easy task due to SI-YOON's indifference toward studying. In the end, the teachers dedicate themselves fully to the challenge. "SI-YOON, are you curious to see what's underneath my panties...?" Original Webtoon: <a href="https://toptoon.com/comic/ep_list/the_teachers_efforts" target="_blank" rel="noopener noreferrer">Toptoon</a> Official Translations: <a href="https://daycomics.com/content/103537" target="_blank" rel="noopener noreferrer">English</a>, <a href="https://www.toptoon.net/comic/epList/81129" target="_blank" rel="noopener noreferrer">T.Chinese</a>, <a href="https://toptoon.jp/content/%E9%A0%91%E5%BC%B5%E3%82%8C%E5%85%88%E7%94%9F%EF%BC%81-%EF%BD%9E%E5%8B%89%E5%BC%B7%E3%81%AF%E6%9C%BA%E3%81%AE%E4%B8%8A%E3%81%A8%E3%81%AF%E9%99%90%E3%82%89%E3%81%AA%E3%81%84%E2%99%A5%EF%BD%9E/103719" target="_blank" rel="noopener noreferrer">Japanese</a>

My Multiple Personality Girlfriend

Chapter 15: Ch15

92,926

Appearing in front of Gu Bei, who had lost his memory, was the beautiful girl Su Mo who claimed to be his girlfriend. However, Su Mo had other personalities in her body. The problem for Gu Bei is that if he wants to date normally, it seems he has to conquer all the other personalities?

Mii-chan to Yamada-san

Chapter 27: Surprise!

16,577

Shinjuku, 2012. Yamada, who works as a hostess in a nightclub, meets Mii-chan, a new girl who is no good at anything she does. Mii-chan is energetic and motivated, but she can't read kanji or the atmosphere, so she is ridiculed by those around her and labeled as "pitiful." Nevertheless, Yamada is gradually drawn to Mii-chan as she works diligently. (Originally serialised on X/Twitter under a pseudonym and released in collected volumes on Kindle. The original manga began with shorts, then ran "Mii-chan and Yamada-san" as a lengthier story. This is a reboot with the same basic premise. The author worked in a hostess club when she was in college, but has publicly stated in interviews and on social media that while there was a "Mii-chan" who served as the inspiration for the character, everything else about the story is fictional.) Notes: Ranked 4th in the "Kono Manga ga Sugoi" 2026, in the male category

If You Don't Date, You Die!

Chapter 45

340

After a string of disastrous relationships with nothing but “losers,” Moon Joo-kyung becomes a workaholic in her 30s who has completely given up on love and dating. Then one day, by pure chance, she is struck with a curse that makes her “fall in love instantly.” A horrifying curse that forces her to confess to anyone she finds attractive on the spot. If she refuses to fall in love, the penalty is death. Can Joo-kyung survive this curse? If you don’t date, you die. (Literally.) **Original Webtoon:** [Naver Webtoon](https://comic.naver.com/webtoon/list?titleId=846662), [Naver Series](https://series.naver.com/comic/detail.series?productNo=13633976)

Under The Oak Tree

Chapter 171

193,273

The daughter of a duke, the stuttering Maximilian, married a knight of lowly status at her father’s coercion. After their first night, her husband departed for an expedition without another word. He came back three years later, this time as a famous knight in the whole continent. How will Maximilian face him on his return? "The more I think of you, the more lonely and lonely I become. I don't know why I can't quit even though it's so painful." --- A flawless love story of the flawed. Stuttering lady Maximilian is forced into a marriage with Sir Riftan, but he leaves on a campaign after their wedding night. Three years later, he triumphantly returns, ready to cherish her. As life with her husband finally begins, she only has one question — does she deserve this love and happiness? --- Note: Although the novel is R19, the webtoon is R15. --- Original Webtoon Official Translations: English Chinese (Simplified) / 汉语 Official English Novel Translations: Kindle (S1/R19), Webnovel (R18)

It's All Your Fault I've Been a Jerk

Chapter 21: Side Story AU (3) (The End)

493

Unemployed and living off nothing, Chae Seogeum spends his days holed up at home cyberstalking and leaving nasty comments - a true keyboard warrior with zero life. That is, until he finally gets sued by the very artist he’d been obsessively fixated on: Kim Tae-in. Dragged to the police station, Seogeum is a bundle of nerves… but the moment he sees Tae-in’s face in person, his heart skips a beat instead. And so, the moment his questioning is over and he steps out of the station, Seogeum does the unthinkable: He crosses the line with Tae-in all over again. --- Original Webtoon: <a href="https://www.mrblue.com/webtoon/wt_000067430" target="_blank" rel="noopener noreferrer">MrBlue</a>

Yaergnacht of the Dark Moon

Chapter 45: Poison Rain is a Woman's Rolled-Up Sleeves

558

While on his way home from an interview, unemployed, unmotivated, jaded 18-year-old Inumata Shinogi encounters the beautiful lady and evil spirit Yaergnacht Finsternis. She demands him to either marry her or die on the spot. He must command the battle against enemies of humanity, the apostles of God (Highlanders), and save the world with his wife!! ___ Alt Official Raw: <a href="https://comic-days.com/episode/2550912965944469925" target="_blank" rel="noopener noreferrer">COMIC DAYS</a>

Boss, Thanks for the Stay

Chapter 4

629

In a seaside village that became a trendy hotspot overnight, the dizzying peak season begins for Taeyang, the innocent owner of a guesthouse, as it is flooded with attractive female guests.

The Wolf Who Tempted the Black Serpent

Chapter 29

861

After serving the kingdom for 300 years as the wolf goddess, Lauren is brutally abandoned once she is no longer deemed useful. But instead of a death sentence, she is secretly given a second chance to live as a normal beastkin. And like all female beastkin, she soon experiences her first heat, which results in a spontaneous night with a serpent stranger by the name of Alexander. Although Lauren wishes to put this mistake behind her, Alexander is desperate to find the wolfish woman he has now marked as his mate... <a href="https://series.naver.com/comic/detail.series?productNo=13373416" target="_blank" rel="noopener noreferrer">Original Webtoon</a> Official Translations: R19: <a href="https://www.tappytoon.com/en/book/the-wolf-who-tempted-the-black-serpent-m" target="_blank" rel="noopener noreferrer">English</a> R15: <a href="https://www.tappytoon.com/en/book/the-wolf-who-tempted-the-black-serpent" target="_blank" rel="noopener noreferrer">English</a>

The Final Case

Chapter 35

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>

The Feudal Lord’s First Night Privilege

Chapter 33

513

Burdened by the debt left by her deceased parents and a young sibling she must care for, Louise lives diligently, never losing her warm heart despite her difficult circumstances. One day, her troublemaking older brother, little better than a good-for-nothing idler, unilaterally informs her about a marriage arrangement. Having gambled away the money meant for the marriage tax, he boasts that he will pay it off using the bride's choyakwon (right of the first night) instead... To protect his own lover (the intended bride), he pressures Louise to go in her place. "The Lord is a very strict person." Facing threats she cannot refuse, Louise eventually heads to the castle. However, the Lord, having spent long years on the battlefield, is feared by all for his razor-sharp, ruthless nature... Looking as if he might say something more, he let out a short sigh and then, without even looking at her, gestured towards the bed with his chin. "Go to the bed and lie face down." Original Webtoon: R19: <a href="https://ridibooks.com/books/5285000978" target="_blank" rel="noopener noreferrer">Ridibooks</a>, <a href="https://www.bomtoon.com/detail/metatoon035" target="_blank" rel="noopener noreferrer">Bomtoon</a>, <a href="https://www.lezhin.com/ko/comic/youngjoo_first" target="_blank" rel="noopener noreferrer">Lezhin</a>, <a href="https://www.mrblue.com/webtoon/wt_000068983" target="_blank" rel="noopener noreferrer">MrBlue</a>, <a href="https://www.toomics.com/webtoon/episode/toon/8720" target="_blank" rel="noopener noreferrer">Toomics</a>, <a href="https://page.kakao.com/content/67461998" target="_blank" rel="noopener noreferrer">KakaoPage</a> R15: <a href="https://ridibooks.com/books/5285000979" target="_blank" rel="noopener noreferrer">Ridibooks</a>, <a href="https://www.bomtoon.com/detail/metatoon036" target="_blank" rel="noopener noreferrer">Bomtoon</a>, <a href="https://www.lezhin.com/ko/comic/youngjoo_first_15" target="_blank" rel="noopener noreferrer">Lezhin</a>, <a href="https://www.mrblue.com/webtoon/wt_000068992" target="_blank" rel="noopener noreferrer">MrBlue</a>

Cheer Love!

Chapter 26

824

"Go, go, team! We'll cheer you on with our whole bodies." Shall we take a look into the private lives of a mascot who fell from being a former professional baseball player to working part-time inside a mascot costume, and the cheerleaders around him? (Source: TOPTOON, translated)

Accidental Baby (Luharang)

Chapter 34: Season 1 Finale

920

Do Yihyeon is known at work as a notorious workaholic, but in truth, he is a mutant omega suffering from face blindness. Then one day, after getting heavily drunk, he has a one night stand with a man he does not recognise and ends up unexpectedly pregnant. After the initial shock of the sudden pregnancy wears off, Yihyeon decides to keep the child. As he quietly struggles through morning sickness on his own, a superior he has never really interacted with before suddenly starts making advances on him… *“I want us to become something more than coworkers, Ihyeon.” “You already are my superior.” “You have never met someone better looking than me anyway.” “Well, I am not so sure.”* Between relentless flirting and an impenetrable emotional wall, who will come out on top? --- Original Novel: Volumes: <a href="https://ridibooks.com/books/1007103297" target="_blank" rel="noopener noreferrer">RIDI</a>, <a href="https://www.bomtoon.com/detail/Accibaby_e" target="_blank" rel="noopener noreferrer">Bomtoon</a>, <a href="https://www.mrblue.com/novel/E000128837" target="_blank" rel="noopener noreferrer">MrBlue</a>, <a href="http://bookcube.com/detail.asp?series_num=924034440" target="_blank" rel="noopener noreferrer">Bookcube</a>, <a href="https://series.naver.com/novel/detail.series?productNo=11523411" target="_blank" rel="noopener noreferrer">Naver Series</a> Chapters: <a href="https://www.bomtoon.com/detail/Accibaby" target="_blank" rel="noopener noreferrer">Bomtoon</a>, <a href="https://www.mrblue.com/novel/E000129370" target="_blank" rel="noopener noreferrer">MrBlue</a>, <a href="https://series.naver.com/novel/detail.series?productNo=11523067" target="_blank" rel="noopener noreferrer">Naver Series</a>, <a href="https://www.joara.com/book/1770656" target="_blank" rel="noopener noreferrer">Joara</a> Original Webtoon: <a href="https://www.bomtoon.com/detail/Accidental_baby" target="_blank" rel="noopener noreferrer">Bomtoon</a> Official Translations: <a href="https://www.lezhinus.com/en/comic/accidental_baby" target="_blank" rel="noopener noreferrer">English</a>, <a href="https://www.beltoon.jp/detail/accidentalbaby" target="_blank" rel="noopener noreferrer">Japanese</a>, <a href="https://www.bomtoon.tw/detail/Accidental_baby" target="_blank" rel="noopener noreferrer">T.Chinese</a>, Thai (Jul 25)

I Want to Live the Harem Life of My Dreams With the Hypnosis App I Got

Chapter 16.5

820

I've never had a girlfriend. The app installed on my phone was a hypnosis app that could control anyone. After testing it, the app's power was real. With this, a harem life isn't just a dream. "Why do all the girls I target have troubles?" A beautiful gal, a plain girl with hidden beauty, a cool ojou-sama junior—by the power of the hypnosis app, their secrets that they couldn't tell anyone are revealed! (I just wanted to do erotic things.) The self-proclaimed loser, but fundamentally a good-guy protagonist, ends up running around helping people!

A Murderous Affair at 19 Sunset Street

Chapter 60

927

A man is found murdered in an apartment at 19 Sunset Street. The prime suspect is Leon Devonport, the victim's lover, and all evidence found on the scene of the death seems to point to him. In order to prove his innocence, Leon seeks out Benjamin Wolf, a once-famous detective who has now retired from murder cases due to an incident in his past. Benjamin had long stepped away from murder cases, but at Leon's desperate request, with a bit of flirting, he reluctantly takes the case and begins to investigate. As the investigation progresses, Benjamin uncovers hidden truths behind the case and the complex relationships between all parties involved. What is the truth hidden behind this "murder?" What is Leon hiding from Benjamin? Original Webtoon: <a href="https://www.bomtoon.com/detail/Sunset_murder" target="_blank" rel="noopener noreferrer">Bomtoon</a>, <a href="https://www.lezhin.com/ko/comic/sunset19" target="_blank" rel="noopener noreferrer">Lezhin</a> Official Translations: <a href="https://www.lezhinus.com/en/comic/sunsetstreet" target="_blank" rel="noopener noreferrer">English</a>, <a href="https://www.lezhin.es/detail/pasion-mortal-en-la-calle-sunset-19" target="_blank" rel="noopener noreferrer">Spanish</a>, <a href="https://www.beltoon.jp/detail/sunset19" target="_blank" rel="noopener noreferrer">Japanese</a>, <a href="https://www.lezhinth.com/detail/sunset_19" target="_blank" rel="noopener noreferrer">Thai</a>

The Fable: The Third Secret

Chapter 60

136

It has been about two years since the battle with the formidable enemy Rumour ended and Azami and Yukari left Taihei City, and Akira and Misaki continue to live their days as usual. One day, a certain man comes to visit them. (Source: natalie.mu, Google Translated)

Please Accept My Wife

Chapter 39

669

Seiji, a newlywed, suspected his wife Aine of having an affair, yet he was aroused by imagining her having sex with another man. One day, he sees Aine going off alone somewhere with a man he doesn’t recognize. On top of that, Seiji is summoned by the popular novelist Cain, but when he arrives at the house, he is seduced by a woman…

Death Loop

Chapter 19

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>

Out (MIZUTA Makoto)

Chapter 275: !!!MAGAZINE VERSION!!!

232,561

Tatsuya Iguchi, the “Mad Dog of Komae,” who played a major role in “Drop” and “Chicken.” Now 17 years old, he leaves his hometown and begins an intense story together with new companions!! Source: emaqi, Vol. 1

My Doodle Boyfriend

Chapter 27

448

Koharu's been dating her perfect boyfriend for two years-he's sweet, handsome, and it's her very first relationship. But there's one thing missing... the bedroom spark. One night, half-jokingly, she vents her frustrations in a mysterious "doodle journal" she finds by chance. And that same night... a stranger climbs into her bed! Official English: <a href="https://daycomics.com/content/103676" target="_blank" rel="noopener noreferrer">DAYcomics</a>, <a href="https://global.toptoon.com/content/103676" target="_blank" rel="noopener noreferrer">Toptoon</a>

The Annex Never Sleeps

Chapter 33

467

"Were you staring at my c*ck because you wanted a taste?" Yiseo stumbled into the wrong room of the grand annex and froze. There he was-Taegyeom Kwon, in all his naked glory, his enormous manhood staring at her. Filthy rich, dangerously handsome, unbearably sexy, and utterly crass, he radiated power and magnetism that made him impossible to resist. Worlds apart, impossible to have, and yet every look and touch pulled her into a love she shouldn't want. <a href="<a target="_blank" rel="noopener noreferrer" href="https://ridibooks.com/books/1716002960"">https://ridibooks.com/books/17...</a> target="_blank" rel="noopener noreferrer">Original Webtoon</a>

The Priestess of Dahalen

Chapter 19.5

302

The cursed land of 'Dahalen.' A forbidden territory where nothing grows and only monsters that tear people apart wander. There, the priestess 'Yukara' faces a massive monster attempting to consume her as she collapses amidst blood and the effects of drugs. <a href="https://www.lezhin.com/ko/comic/dahallen" target="_blank" rel="noopener noreferrer">Original Webtoon</a>

As the Dawn Breaks, to You

Chapter 16

418

A laboratory filled with nothing but commotion and silence, devoid of any warmth. [BU-001: Commencing the experiment.] All Heesu wants is… death. “I don’t want to live any longer…” One day, Seunghyun—the ideal Guide—appears before Heesu, a Sentinel who has become so numb from heartless, painful acts and unwanted experiments that he can no longer feel pain or emotion. “So it’s you, my Guide.” Unlike other violent Guides, Seunghyun treats Heesu with tenderness, as if he were a fragile being, and as he watches him, he begins to feel a strange emotion he has never experienced before... *“I’ll always be by your side, so rest easy, Yeomyeong.” “...Heesu... Not ‘Yeomyeong’—Heesu. Doh Heesu.”* With Seunghyun’s arrival, colour begins to be added, bit by bit, to Heesu’s life, which had always been as black and white as a monochrome film. <a href="https://www.youtube.com/watch?v=QWtq76l4FHM" target="_blank" rel="noopener noreferrer">Official PV</a> | <a href="https://x.com/polarfox_comic/status/2068982329755009360" target="_blank" rel="noopener noreferrer">Character Profiles</a> --- Original Webtoon: <a href="https://ridibooks.com/books/2404038305" target="_blank" rel="noopener noreferrer">RIDI</a>

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