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

Sex! Sports

Chapter 56

619

A collection of high-intensity stories set across various sports settings, exploring the hidden desires and tangled relationships of those involved. From unexpected encounters to boundary-pushing situations, each episode delves into provocative and controversial dynamics, blending competition, temptation, and human instinct into a series of bold, adult-oriented narratives. [Original Webtoon](https://www.lezhin.com/ko/comic/sex_sports)

There Are No Bad Military Dogs in the World

Chapter 31

468

Min Ah-hyun, who grew up being abused as a test subject in a research institute, enlists in the military, which seems connected to her, to uncover the institute's secrets. There, she meets Shin Hae-jun, her direct superior. He was a...

Instant Sex Lottery Ticket

Chapter 58.5

212

"I'll use the lottery ticket right away! Let's strip here and have sex!" Himchan, an ordinary office worker with nothing special about him, gets a suspicious lottery ticket one day. He scratches it with doubt, but it turns out to be the jackpot... a sex voucher? As he presents the lottery ticket, women start undressing themselves... Is this the ultimate turn in his life? [Original Webtoon](https://toptoon.com/comic/ep_list/lottery_ticket) **Official Translations:** [T.Chinese](https://www.toptoon.net/comic/epList/81120)

Absolute Threshold

Chapter 101

811,143

Read manhwa Absolute Threshold / 절대역 [완전판] He only daughter of a rich and powerful household, Choi Jumi. She seems to have it all but she lives a lonely life unable to do anything according to her own will. And on an especially cold and long winter, she meets that man. A merciless, cruel and cold man. Jung Yoongyo, a big shot and heir to Woosung, South Korea’s largest gang organization. As she waited for him on a blind date set by her father, she hoped he wouldn’t show up. “I think I’ve given you enough time to run away.” ‘If I had run away then and we hadn’t met, would this have never happened?’ But…

According to Their Own Instincts

Chapter 24

298

Kang Yu-Jin, an executive director at Shin-A Food, has lived by the belief that proving herself through numbers and skills is everything. To seize control of "Shin-A Food", her ultimate goal, she proposes a contract marriage to Ki Seung-Hyun, the president of SOO ENM. Ki Seung-Hyun, who lives while concealing his beastly nature, readily accepts her proposal to use him and cooperates by acting as a loving partner. Original Novel: <a href="https://series.naver.com/novel/detail.series?productNo=8119082" target="_blank" rel="noopener noreferrer">Chapters</a>, <a href="https://series.naver.com/novel/detail.series?productNo=13230931" target="_blank" rel="noopener noreferrer">Volumes</a> Original Webtoon: <a href="https://comic.naver.com/webtoon/list?titleId=850889" target="_blank" rel="noopener noreferrer">Naver Webtoon</a>, <a href="https://series.naver.com/comic/detail.series?productNo=14158077" target="_blank" rel="noopener noreferrer">Naver Series</a>

The Priestess of Dahalen

Chapter 15.5

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>

Every Building has a Gimmick

Chapter 56

544

Kang Yihyun, an intern, drops by the convenience store on his way home from work and there's something different about the part-timer. "She's not wearing anything right now, right?" I'm so confused... [Original Novel](https://novelpia.com/novel/161133) [Original Webtoon](https://toptoon.com/comic/ep_list/Each_building_has_its_own_concept?) **Official English:** [Toptoon](https://global.toptoon.com/content/103741), [DAYcomics](https://daycomics.com/content/103741)

Jewel Witch

Chapter 28

500

Jelack, a witch born from a jewel, wants to join the witches’ gathering, but is it because of her flashy attire?The conservative witches won’t accept her. Jelack sets out on a long journey to find a witches’ gathering that will accept her. Then she gets entangled with three men…Will Jerack be able to safely join the witches’ gathering? +

Pieta (DAONG)

Chapter 35

33,924

not found...

Dal Dal

Chapter 37

447

One cold winter’s day, Euno was caught red-handed stealing from a man who had entered the mountain—and was beaten soundly for it. Terrified for his life, Euno broke down in tears, begging the frightening man to spare him, promising he would do anything. From that day onward, he was taken away and forced into servitude under the man. Cha Yunsa, who despises the world. Euno, who knows nothing of the world at all. From a chance encounter on Mount Moak to an inevitable bond—this is the story of their winter, spring, summer, fall… and back again to winter. <a href="https://ridibooks.com/books/297040148" target="_blank" rel="noopener noreferrer">Original Novel</a> <a href="https://ridibooks.com/books/5946000001" target="_blank" rel="noopener noreferrer">Original Webtoon</a>

When the autumn night falls over the river

Chapter 46

458

Original Webtoon : <a href="https://comic.naver.com/webtoon/list?titleId=845382" target="_blank" rel="noopener noreferrer">Naver Webtoon</a>, <a href="https://series.naver.com/comic/detail.series?productNo=13441387" target="_blank" rel="noopener noreferrer">Naver Series</a>

XX Dungeon

Chapter 45

473

<a href="https://www.toomics.com/webtoon/episode/toon/8746" target="_blank" rel="noopener noreferrer">Original Webtoon</a>

Conditions for a dating visa

Chapter 56

410

"So, did you sleep with that guy or not?" After being cheated on by her ex-boyfriend, Yoo Byeol took a solo trip to Spain, where she met a man—Sunwoo—and spent a questionable night with him. She thought she’d never see the guy who left such a strong impression again... But then she runs into him back in Korea—at her workplace, no less ?! And to make things worse, her ex is also at the same company...?! Original Webtoon: <a href="https://comic.naver.com/webtoon/list?titleId=839391" target="_blank" rel="noopener noreferrer">Naver Webtoon</a>, <a href="https://series.naver.com/comic/detail.series?productNo=12628916" target="_blank" rel="noopener noreferrer">Naver Series</a> Official Translations: <a href="https://www.webtoons.com/id/romance/finding-a-ticket-into-your-heart/list?title_no=8446" target="_blank" rel="noopener noreferrer">Indonesian</a>, <a href="https://www.webtoons.com/th/romance/finding-a-ticket-into-your-heart/list?title_no=8516" target="_blank" rel="noopener noreferrer">Thai</a>, <a href="https://www.webtoons.com/fr/romance/finding-a-ticket-into-your-heart/list?title_no=8638" target="_blank" rel="noopener noreferrer">French</a>

Mind Control

Chapter 42

503

Choi Hongryeol is falsely accused and becomes an outsider. One day, he receives a mysterious hypnosis app link and gains the power to take revenge on the women who had always looked down on him. “I’ll fuck the ones who ignored me all this time.” [Original Novel](https://novelpia.com/novel/22562) [Original Webtoon](https://toptoon.com/comic/ep_list/Mind_Control?p_id=pp_1601_001)

Aegis in the Dark

Chapter 128: The Ghost Ship III

329

A protector, with an arm of steel, able to deflect bullets, swearing never to take a life. That is Tate Karito, the Shield in the Dark.

Hell Intern

Chapter 13

19,163

A series of short stories depicting the life of Lucian, the son of Lucifer, who has returned to hell after a hundred years, where he must slowly learn how to become its new ruler. Lucifer's right-hand man and fallen archangel Uriel is supposed to help him with this, but he is not entirely happy with Lucian's attitude... Note: Original Manhua is published on the author's [Weibo](https://weibo.com/u/1618972813).

How to Covet Snow White

Chapter 40

118

[Original Webtoon](https://ridibooks.com/books/1811272801)

Unsleep

Chapter 81.5

57,010

On the day of a group project presentation, college senior Lee Seung-hyeon is falsely accused of sexual harrassment on the subway, causing him to miss the presentation and fail the class. Desperate to salvage his GPA before graduation, he scrapes together enough money to enroll in summer classes, only to find himself stuck in another group project. To his horror, one of his groupmates, Seo Chaejun, turns out to be the very person who accused him of sexual harrassment. Now, during what should have been a peaceful summer break, Seung-hyeon is forced to confront his worst nightmare. “What did I do that was so wrong to deserve spending this precious summer break of my senior year dealing with this lunatic?” [Original Webtoon](https://www.lezhin.com/ko/comic/unsleep) **Official Translations:** [English](https://www.lezhinus.com/en/comic/unsleep), [Japanese](https://www.beltoon.jp/detail/unsleep), [T.Chinese](https://www.bomtoon.tw/detail/unsleep), [Thai](https://www.lezhinth.com/detail/unsleep), [French](https://www.lezhinfr.com/detail/bt_1111209), [German](https://www.lezhinde.com/detail/dbd_00457) ##### NOTE: All official translations are uncensored, except for Japanese.

There Are Always Teachers Who Want To Ask Out Parents

Chapter 41

15,146

That night, Qi Yan flirted with a mature woman at the bar and took her to bed, not knowing that she was the mother of a student in her class. And then at a parents' meeting, their eyes met. "Teacher Qi, what a coincidence." But the closer she got, the more attracted she felt. Upon learning that she was single, Qi Yan began a determined but gentle pursuit. The path to pursuing is long and imprecise. When will her heart be touched?

Five Husbands Appeared on My Birthday

Chapter 35

547

Theodora Norton, my mother, lived her entire life in emotional suffering because of her husband. “I’ve prepared everything so you won’t have to live like me.” With her last breath, Theodora revealed that she had prepared not one, but several perfect men for my twenty-fourth birthday. I dismissed it as nothing more than the lingering resentment of a woman hurt by her husband’s infidelity until my father brought home a new wife, Agatha, and her daughter, Eplin, right after the funeral. Six years later, on my birthday, my father died. Just as I face losing my entire inheritance to Agatha and Eplin, five of the most powerful and sought-after men in the empire appear before me just as my mother had promised. Alfred, the eldest son of the southern admiral’s family. Percival, the Grand Duke of the North and a war hero. Kasius, a man with a suspiciously thriving business. Magnus, my former rival and now a renowned art patron. And Carter, my childhood friend, who knows everything about me and is now the High Priest. And so, I, Eugenie Norton, an ordinary graduate student, begin to rewrite the history of the empire with five extraordinary men as my husbands. <a href="https://ridibooks.com/books/845054460" target="_blank" rel="noopener noreferrer">Original Webtoon</a>

The Tutor's Secret Sessions

Chapter 79

944

Anna Shepherd’s life as a school teacher is up-ended in a single day when she’s fired after a drunk, steamy night with her school’s sponsor, Max Harpman. However, her unemployment ends as abruptly as it started when she’s invited to work as a child’s private tutor. Which is great, except for the fact that her student’s guardian is her handsome one-night stand, Max. Things are further complicated when Max requests her to give him private lessons on high society etiquette. As a series of sensual encounters ensues, Max learns as much as he can about Anna… including her mysterious past. Original Webtoon: <a href="https://comic.naver.com/webtoon/list?titleId=836929" target="_blank" rel="noopener noreferrer">Naver Webtoon</a>, <a href="https://series.naver.com/comic/detail.series?productNo=12244288" target="_blank" rel="noopener noreferrer">Naver Series</a> Official Translations: <a href="https://www.tappytoon.com/en/book/the-tutors-secret-sessions" target="_blank" rel="noopener noreferrer">English</a>, <a href="https://www.webtoons.com/th/romantic-fantasy/tutors-secret-lesson/list?title_no=7998" target="_blank" rel="noopener noreferrer">Thai</a>, <a href="https://www.webtoons.com/zh-hant/romance-m/secret-sessions-with-my-tutor/list?title_no=8045" target="_blank" rel="noopener noreferrer">T.Chinese</a>, <a href="https://www.webtoons.com/fr/romance/the-tutors-secret-sessions/list?title_no=8333" target="_blank" rel="noopener noreferrer">French</a>, <a href="https://www.webtoons.com/id/romantic-fantasy/the-tutors-secret-sessions/list?title_no=8610" target="_blank" rel="noopener noreferrer">Indonesian</a>, <a href="https://manga.line.me/product/periodic?id=Z0003910" target="_blank" rel="noopener noreferrer">Japanese</a>

The Tutor's Secret Sessions

Chapter 79

12,096

Anna Shepherd’s life as a school teacher is up-ended in a single day when she’s fired after a drunk, steamy night with her school’s sponsor, Max Harpman. However, her unemployment ends as abruptly as it started when she’s invited to work as a child’s private tutor. Which is great, except for the fact that her student’s guardian is her handsome one-night stand, Max. Things are further complicated when Max requests her to give him private lessons on high society etiquette. As a series of sensual encounters ensues, Max learns as much as he can about Anna… including her mysterious past. **Original Webtoon:** [Naver Webtoon](https://comic.naver.com/webtoon/list?titleId=836929), [Naver Series](https://series.naver.com/comic/detail.series?productNo=12244288) **Official Translations:** [English](https://www.tappytoon.com/en/book/the-tutors-secret-sessions), [Thai](https://www.webtoons.com/th/romantic-fantasy/tutors-secret-lesson/list?title_no=7998), [T.Chinese](https://www.webtoons.com/zh-hant/romance-m/secret-sessions-with-my-tutor/list?title_no=8045), [French](https://www.webtoons.com/fr/romance/the-tutors-secret-sessions/list?title_no=8333), [Indonesian](https://www.webtoons.com/id/romantic-fantasy/the-tutors-secret-sessions/list?title_no=8610)

BDSM 101

Chapter 47

330

Song Jeongwon is an active member of the BDSM community, offering guidance and advice to newcomers. One day, he comes across a distressing post from Kang Hoseob, a beginner who has fallen into the hands of an abusive dom and is seeking help. Realizing that Hoseob lacks even the most basic knowledge of BDSM, Jeongwon steps in—not just to rescue him but to personally guide him as his temporary dom. "Master, I'll be good...I promise." Jeongwon takes on the challenge, but can he truly teach Hoseob the foundations of trust, consent, and desire before it's too late? [Original Webtoon](https://www.mrblue.com/webtoon/wt_000063694) **Official Translations:** [English](https://www.lezhinus.com/en/comic/bdsm101), [Thai](https://www.lezhinth.com/detail/thwt_4173)

The Unsettlable Relationship

Chapter 7

267

Jinjeong, an underboss for the Beomsohoe gang, makes a colossal mistake. After going out drinking with his boss, he gets utterly drunk and ends up sleeping with a man he doesn't know.The problem? That man turns out to be Choi Seokyeon, a high-ranking executive in the rival gang, the Cheonipa!Jinjeong figures a hot bowl of soup will make him forget the whole drunken blunder. But from that day forward, everywhere Jinjeong goes, and everything he tries to do, he keeps running directly into Seokyeon.The lines between their rival organizations blur as their paths continuously crosssometimes violently, sometimes intimately.Can Jinjeong truly settle a relationship born from intoxication, rivalry, and dangerous coincidence? Or is their connection destined to be an uncontrollable, thrilling disaster?+

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