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

Under The Oak Tree

Chapter 167

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](https://ridibooks.com/books/4362000001) **Official Translations:** * [English](https://manta.net/series/1255) * [Chinese (Simplified) / 汉语](https://www.kuaikanmanhua.com/web/topic/9790/) **Official English Novel Translations:** [Kindle (S1/R19)](https://www.amazon.com/dp/B09Y5GTH4Q), [Webnovel (R18)](https://www.webnovel.com/book/under-the-oak-tree_21949582605391005)

That kind of thing happened

Chapter 43

175

March, when green flowers bloom, is the season for entering school, and you enter the campus you’ve dreamed of, full of excitement… But the college campus isn’t as splendid as you thought. Would you like to see some lewd stories happening all over campus? ??? ?? ???? 3?, ??? ?? ?? ???? ?? ??? ???? ?????… ?? ???? ? ???? ???? ???? ??? ???? ???? ??? ??, ?? ?? ????

Under the Oak Tree

Chapter 167

757

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? <a href="https://ridibooks.com/books/4362000001" target="_blank" rel="noopener noreferrer">Original Webtoon</a> Official Translations: <a href="https://manta.net/en/series/under-the-oak-tree?seriesId=1255" target="_blank" rel="noopener noreferrer">English</a>, <a href="https://www.kuaikanmanhua.com/web/topic/9790/" target="_blank" rel="noopener noreferrer">S.Chinese</a>, <a href="https://mechacomic.jp/books/181722" target="_blank" rel="noopener noreferrer">Japanese</a>, <a href="https://manta.net/es/series/under-the-oak-tree?seriesId=2185" target="_blank" rel="noopener noreferrer">Spanish</a>, <a href="https://manta.net/fr/series/under-the-oak-tree?seriesId=2454" target="_blank" rel="noopener noreferrer">French</a>

Bloodbound

Chapter 76: season 3

108,938

Fabian is a seemingly ordinary man who suddenly manifests abilities as an Esper one day. On top of dealing with his newfound powers, he must deal with Konrad: his S-class guide who treats him with an unusual level of care and attention. Initially confused, Fabian finds Konrad’s purpose for openly treating Fabian with such benevolence is to take advantage of his S-class abilities, his healthy body, and... blood?! “Yours is the best I've ever tasted.” Can Fabian defend himself against a guide who wants both his body, his brawn, and his blood? (Source: Lezhin) Original Webtoon: <a href="https://www.bomtoon.com/detail/bloodguide" target="_blank" rel="noopener noreferrer">Bomtoon</a>, <a href="https://www.lezhin.com/ko/comic/blood_guide" target="_blank" rel="noopener noreferrer">Lezhin*</a> ##### Lezhin only has the original short story.* Official Translations: <a href="https://www.lezhinus.com/en/comic/bloodbound" target="_blank" rel="noopener noreferrer">English</a>, <a href="https://www.bomtoon.tw/detail/bloodguide" target="_blank" rel="noopener noreferrer">T.Chinese</a>, <a href="https://www.boomtoon.com/detail/blood_guide" target="_blank" rel="noopener noreferrer">Thai</a>, <a href="https://www.lezhinfr.com/detail/bt_1111158" target="_blank" rel="noopener noreferrer">French</a>, <a href="https://www.lezhinde.com/detail/dbd_00449" target="_blank" rel="noopener noreferrer">German</a> Spanish: <a href="https://www.lezhin.es/detail/un-guide-mas-alla-de-la-sangre" target="_blank" rel="noopener noreferrer">Censored</a>, <a href="https://www.lezhin.es/detail/un-guide-mas-alla-de-la-sangre-sin-censura" target="_blank" rel="noopener noreferrer">Uncensored</a> Japanese:** <a href="https://www.beltoon.jp/detail/bloodguide" target="_blank" rel="noopener noreferrer">Beltoon</a>, <a href="https://www.lezhin.jp/ja/comic/bloodguide" target="_blank" rel="noopener noreferrer">Lezhin</a> --- ##### Notes: ##### \- It was originally a 10-chapter series but the author decided to continue. ##### \- All official translations are uncensored except for Japanese.

Sexual Exploits

Chapter 86

14,191,443

Ever dreamed about your friend’s wife? How about a charming masseur, or a MILF who’s hired you as a tutor? In Sexual Exploits, an array of characters share their juiciest sexual experiences. Toeing the line between reality and fantasy, these stories will pull you in real, real close… **Original Webtoon:** [Lezhin](https://www.lezhin.com/ko/comic/ss_story), [Bomtoon](https://www.bomtoon.com/detail/ss_story), [MrBlue](https://www.mrblue.com/webtoon/wt_000052817), [Naver Series](https://series.naver.com/comic/detail.series?productNo=10329921) **Official Translations:** English ([LezhinUS](https://www.lezhinus.com/en/comic/exploits), [LezhinX](https://www.lezhinx.com/detail/sexualexploits), [Toomics](https://toomics.com/en/webtoon/episode/toon/8211)), Japanese ([Lezhin JP](https://www.lezhin.com/ja/comic/ss_story))

Reiwa no Dara-san

Chapter 59

951,756

From Yen Press: Clouds blacken the sky and sheets of rain turn the mountain forest into a treacherous maze. A landslide crushes a razor wire fence and buries a “NO TRESPASSING” sign. As two young siblings venture into a dark world to which they do not belong, a long, horrid shadow rears up to meet them, and “Look, I’m a malevolent deity, okay?! Aren’t you kids gonna freak out about my monstrous visage?!” Anyway, so that’s how we met Dara-san! She might look kinda scary, but just wait until you get to know her!

Ginga Sengoku Gunyuuden Rai

Chapter 223

141

With the decline of the Galactic Empire, the Milky Way has dissolved into a confusion of warring leaders. One of the strongest of these warlords manages to defeat the imperial Asou Shuzen, and take the remaining imperial family member, the Princess Shimon, as a prisoner. Will she be able to become something more than a pawn in her captor's ambitious plans of conquest? In the meantime, a solider named Rai has become fed up with his leader after returning from a battle with only 3 surviving soldiers in his band. But all Rai's defiance gains him is a glimpse of Princess Shimon and an unwanted place in the warlord's wild daughter's bed. What will future hold for Rai and for the galaxy?

Dash!

Chapter 54

19,109

Jeong Jiheon, a once-promising swimmer, retired early due to an injury and now works diligently at a sports agency. The hottest topic in the sports marketing world is none other than Kwon Jae-kyoung, and agencies are fiercely competing to win him over. Jiheon's boss orders him to secure a meeting with Jae-kyoung at all costs. Using a trivial connection from a decade ago when they briefly trained at the same aquatic center, Jiheon miraculously succeeds in arranging a meeting. However, when they finally meet, Jae-kyoung shows no interest in contract terms and instead seems strangely fixated on Jiheon's genetic traits… --- **Original Webtoon:** **R19:** [RIDI](https://ridibooks.com/books/5062000438) **R15**: [RIDI](https://ridibooks.com/books/5062000442) **Official Translations:** **R19:** [English](https://www.lezhinus.com/en/comic/dash), [Spanish](https://www.lezhin.es/detail/dash-sumergidos-en-una-pasion), [French](https://www.lezhinfr.com/detail/bt_1111108), [Japanese](https://www.beltoon.jp/detail/dash), [Thai](https://www.lezhinth.com/detail/_dash), [T.Chinese](https://www.bomtoon.tw/detail/dash), [German](https://www.lezhinde.com/detail/dbd_00415) **R15:** [German](https://www.lezhinde.com/detail/dbd_00416) --- ##### NOTE: The official English and French translations are uncensored.

In Deep Blue

Chapter 3.1

454

“1,500 gold isn't enough.Open yourself to me until I'm satisfied.”

If You Dare to Provoke Me

Chapter 42

723

“I’ll gladly fall for it. For you.” Moon Doha, the sole heir of the Imoon Group. “Your name is Lee Seulbi, correct?” “Yes… that’s right. But who are you?” A casino dealer known as Chloe is tasked with seducing a...

Ogh Reboot

Chapter 30

722

What’s important in living life is dopamine! With no social skills, shut-in loser Shin Jangseok wishes for the world to be rebooted… “Ah ~ isn’t there a world where everything works with just one dick...”

Game of Familia

Chapter 86

474

High schooler Sasae Hatsushima has been summoned to a world of dark fantasy to defeat an undead army. That shouldn't be hard when he has the help of his hyper-competent stepmom and her two younger daughters, a high school karate champion and a girl genius! But to gain the powers needed for their quest, a great and painful price must be paid... And who better to pay it than Sasae, who seems utterly ordinary compared to his brilliant stepfamily?

Broken Engagement Scandal

Chapter 25

364

“Let’s call off the engagement.” Chihun lets out a hollow laugh, his eyes wandering aimlessly in the air. His dark gaze fixed on Seoyeon, heightening the tension around them. Just like her newly cropped hair, Seoyeon left Chihun without a shred of regret. However, after three years without contact, Chihun suddenly reappears before her. “You’re different from the Jin Seoyeon I knew.” “But why do I feel like this is your true self?” “Why do I feel like you’ve been deceiving me?” As he speaks, his eyes seem to glisten with unshed tears. Looking haggard as if he hasn’t slept for days, Seoyeon finds herself unable to look away from him. “Sleep with me, Jin Seoyeon.” And so, once again, Seoyeon finds herself unable to refuse his proposal. Original Webtoon: R19: <a href="https://series.naver.com/comic/detail.series?productNo=13926269" target="_blank" rel="noopener noreferrer">Naver Series</a> R15: <a href="https://series.naver.com/comic/detail.series?productNo=13926267" target="_blank" rel="noopener noreferrer">Naver Series</a>

My Girlfriend Was Already Fully Trained

Chapter 40

162

"I shouldn't have checked my girlfriend's phone that day." I heard a strange rumor about my girlfriend, Hayoung, from a friend. "I saw Hayoung go out of a motel... with another man". I turned a blind eye to what they said, thinking they must've been mistaken with what they saw. However, a part of me was suspicious of her. And for the first time, I checked my girlfriend's phone... "What are you doing? Strip. Take off your bra and panties."

The Lord's First Night

Chapter 29

451

"Go to the bed and lie face down." 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... When Louise stated her age in a small voice, he nodded with a slight frown. 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. His low, resonant voice carried a heavy, irresistible sense of intimidation. +

I'm a "Behemoth," an S-Ranked Monster, but Mistaken for a Cat, I Live as an Elf Girl's Pet

Chapter 92

247

You've got to be kitten me! A proud knight, slain in battle, finds himself alive once more-reincarnated in the body of a fearsome behemoth. As if he wasn't confused enough by this turn of events, apparently behemoth cubs look exactly like adorable kittens?! Even if the rest of the world sees him as soft and cuddly, he has the honor of a noble warrior and the strength of an unstoppable S-ranked monster, both of which will be put to the test as he fights to protect the beautiful elf who has taken him as her pet! (Source: Yen Press)

Game of Familia: Family Senki

Chapter 86

453

High schooler Sasae Hatsushima has been summoned to a world of dark fantasy to defeat an undead army. That shouldn't be hard when he has the help of his hyper-competent stepmom and her two younger daughters, a high school karate champion and a girl genius! But to gain the powers needed for their quest, a great and painful price must be paid... And who better to pay it than Sasae, who seems utterly ordinary compared to his brilliant stepfamily?

The Edge of Ambiguity

Chapter 101

148

For Shin Soo-young, school is nothing more than a place to study. He’s there to get good grades, get into a good university, and get himself a good enough job so that he can help his family. He’s certainly not looking to make friends. You see, for Soo-young, human relationships are...uncertain. And because they’re uncertain, they’re unsafe. Tae Jihwan, on the other hand, swans through life without a care in the world. He’s got it all: money, good grades, and more friends than any one person could truly need. And yet, he seems to have his eye on becoming friends with Soo-young as well. No matter how hard he tries, Soo-young can’t figure out what Jihwan wants from him, but the other boy is nothing if not persistent. Slowly but surely, Soo-young starts to let his walls come down, but just how long can he keep his balance on the edge of all this ambiguity...? (Source: Lezhin) --- Original Webtoon: <a href="https://ridibooks.com/books/4291003392" target="_blank" rel="noopener noreferrer">RIDI</a> Official Translations: <a href="https://www.lezhinus.com/en/comic/edgeofambiguity" target="_blank" rel="noopener noreferrer">English</a>, <a href="https://www.lezhinth.com/detail/thwt_3151" target="_blank" rel="noopener noreferrer">Thai</a>, <a href="https://www.lezhin.es/detail/al-borde-de-la-tentacion" target="_blank" rel="noopener noreferrer">Spanish</a>, <a href="https://www.lezhinfr.com/detail/bt_1110674" target="_blank" rel="noopener noreferrer">French</a>, <a href="https://www.lezhinde.com/detail/dbd_00260" target="_blank" rel="noopener noreferrer">German</a>, <a href="https://ebookjapan.yahoo.co.jp/books/742420/" target="_blank" rel="noopener noreferrer">Japanese</a>, <a href="https://www.bomtoon.tw/detail/vague_edge" target="_blank" rel="noopener noreferrer">T.Chinese</a> --- ##### NOTES: ##### \- The author notes that the series is R19 because of its dark themes, violence and language, not because of explicit sexuality, as S1-S2 takes place in high school. S3 will be them as adults, and only then it will have explicit scenes. ##### \- The official English translation is uncensored.

Majo to Youhei

Chapter 77

0

From Kodansha: Zig, a tall, broad-shouldered mercenary, participates in a witch hunt. Following a fierce duel with the deadly witch, he becomes privy to her desire. “I want you to protect me,” she requests, tired of having her life trivialized. Seeking a place to survive, the witch and the mercenary set their sights on an unknown continent. <a href="https://kmanga.kodansha.com/title/10570/episode/350366" target="_blank" rel="noopener noreferrer">Official English</a>

My Friend’s Husband

Chapter 42

651

Original Webtoon: R19: <a href="https://series.naver.com/comic/detail.series?productNo=13511837" target="_blank" rel="noopener noreferrer">Naver Series</a> R15: <a href="https://series.naver.com/comic/detail.series?productNo=13511854" target="_blank" rel="noopener noreferrer">Naver Series</a>

Moonlit Night, Moonlit Sleep, Moonlit Cup

Chapter 25

910

The second son of the Sichuan Tang Clan and the owner of the White Jade Merchant Guild. He is treated like a member of the Evil Sect despite being part of the Orthodox Sect, to the extent that there are rumors that he is an outcast even within his own family. His exact achievements are unknown. * Bottom: Baekri Cheong-ra. Alias: Moon Island Sword. A disciple of Jinshan of the Howol Sect. Also known as the Beautiful Sword Under the Moonlight due to his exceptionally beautiful appearance. Obsessively pursuing beauty and neatness, he gained fame as a chivalrous hero by beating up members of the (ugly) unorthodox sect (because they were ugly). He harbors a secret preference that he cannot tell anyone. <a href="<a target="_blank" rel="noopener noreferrer" href="https://ridibooks.com/books/120080627"">https://ridibooks.com/books/12...</a> target="_blank" rel="noopener noreferrer">Original Novel</a> <a href="https://ridibooks.com/books/120103471" target="_blank" rel="noopener noreferrer">Original Webtoon</a>

Somehow Hot-Place Flower Shop

Chapter 4

981

not found...

On the Dot

Chapter 55

482

*“It’s my first time with a man, so… Yujun, be my practice partner.”* Yujun’s heart nearly stops when Junghyun, his colleague and secret crush, drops a shocking confession. Junghyun admits that he has come to like men, and before Yujun can even process it, he asks him to be his “practice boyfriend.” Though both keep their true feelings hidden, they begin this so-called practice. As office life continues and the two spend each day together, their moments overlap and miss each other like the hands of a clock, brushing close yet never quite aligning. [Original Webtoon](https://bomtoon.com/detail/onthedot) **Official Translations:** [English](https://www.lezhinus.com/en/comic/on_the_dot)

C-Class Esper's Memorandum

Chapter 41

509

Caden Wolf lost his wife and partner to the "Guide Killer," who only kills guides. Afterwards, he falls into despair, almost to the point of losing control and going berserk. The Matching Center sends an S-class guide, Jupiter Valerlux, to treat him. Together they investigate the Guide Killer's identity. Caden, who had refused to be guided due to his guilt and sadness over his wife, gradually becomes more dependent on Jupiter every time he receives guidance from him. At the same time, his self-loathing also grows. Meanwhile, Jupiter, who had been guiding Caden purely for fun, gradually begins to feel affection for him... [Original Novel](https://ridibooks.com/books/4403007129?_rdt_sid=author&_rdt_idx=2) **Japanese Translation:** [cmoa](https://www.cmoa.jp/title/322423/), [mechacomic](https://mechacomic.jp/r/books/207679), [piccoma](https://piccoma.com/web/product/184219), [kinokuniya](https://www.kinokuniya.co.jp/f/dsg-08-EK-2105388), [Ameba](https://dokusho-ojikan.jp/series_list/series_id=865993), [Booklive](https://booklive.jp/product/index/title_id/1860982/vol_no/001), [auone](https://ul.bookpass.auone.jp/collections/01860982), [Renta](https://renta.papy.co.jp/renta/sc/frm/item/403995/) **Chinese Translation:** [creative comic](https://www.creative-comic.tw/zh/book/481/content) [Character Introduction](https://x.com/CLBTOKYO__BL/status/1921837756721860919)

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