Best Adult Manga - Top 18+ Manga Series Free Online

Dr. Agatho Report

Chapter 24

15,026

Five years after the end of the war-.The victorious nation of Formapolis has become accustomed to peace, but something strange is happening.The illegal dumping of bizarrely shaped corpses called "experiments".Klein, a detective in charge of the Special Case Unit, is ordered by the government to investigate the case thoroughly and is assisted by an assistant, Dr. Agato.But this man, who seems to be hiding a secret, has forgotten his identity as a prisoner of war from a defeated country and is trying to seduce his partner, a state official.As Klein becomes embroiled with the unstoppable Dr. Agato, Hecomes face-to-face with Tristan, the psychic man at the center of this bizarre case.It turns out that Dr. Agato was once his 'researcher',Tristan was his 'test subject', and the secret is that they had an intimate relationship. ......."I wanted to see you again, Doctor."+

Necessity of Relationship

Chapter 20

640

Do-yoon, who dreams of living together with his childhood friend Lee Hwan, whom he has a crush on.But his mistake caused Lee Hwan's body to The soul of idol lon has taken hold!They say that a switched soul can only return after filling up its yang energy.

Rebirth as The Villainous Duke

Chapter 5

873

Born Again to Be a Bad Duke! Since everyone considers him evil, he will break every rule of the world to find his way home!

Fight Club

Chapter 61

45,532

Minchan has lived his whole life as part of the elite top 1%—an Alpha who always wins. Bored with his perfect life, he accepts a friend's invitation to join Fight Club, a brutal underground arena where only fighting skills matter. What starts as a casual thrill quickly escalates when Minchan begins competing himself—and winning easily, just like always. But just as victory starts to feel hollow, he faces an opponent he can't beat: Taewook, a smaller, seemingly fragile Omega. Crushed by his first-ever defeat, Minchan is furious—and obsessed. He approaches Taewook, only to be met with complete indifference, a blow to his pride he can't ignore. Then one night, fate strikes: Taewook enters his heat cycle, and Minchan doesn’t miss his chance. Pride, instinct, and raw attraction collide— In this fight, winning might mean losing everything Minchan thought he knew. --- **Original Webtoon:** **R19:** [Ridibooks](https://ridibooks.com/books/505081090), [Bomtoon](https://www.bomtoon.com/detail/vkdlxmzmffjq_19), [Lezhin](https://www.lezhin.com/ko/comic/fight_club), [Naver Series](https://series.naver.com/comic/detail.series?productNo=11124014), [MrBlue](https://www.mrblue.com/webtoon/wt_000063069), [BookCube](https://www.bookcube.com/toon/detail.asp?webtoon_num=240493), [MComics](https://www.mcomics.co.kr/webtoonComic/12256), [ManhwaSub](http://sub.manhwa.co.kr/pre_sm/detail/read.php?no=3399221), [Toon365](https://www.toon365.com/domestic/domestic_detail.asp?toon_idx=44983), [Aladin](https://www.aladin.co.kr/shop/wproduct.aspx?ItemId=340020083), [KyoboBook](https://ebook-product.kyobobook.co.kr/dig/epd/ebook/E000007625321), [Yes24](https://www.yes24.com/Product/Goods/126679141) **R15:** [Ridibooks](https://ridibooks.com/books/505081100), [Bomtoon](https://www.bomtoon.com/detail/M_Bride), [Lezhin](https://www.lezhin.com/ko/comic/fight_club_15), [Naver Series](https://series.naver.com/comic/detail.series?productNo=11124015), [MrBlue](https://www.mrblue.com/webtoon/wt_000063072), [BookCube](https://www.bookcube.com/toon/detail.asp?webtoon_num=240494), [KakaoPage](https://page.kakao.com/content/64197814) **Official Translations:** [English](https://www.lezhinus.com/en/comic/fightclub)

Virtual Red

Chapter 3.3

296

That woman... Is she a witch... or is she a Goddess? Through a colleague, Fujii, an average IT man, learns about an old house where the woman living there will have sex for free. Out of curiosity, he visits the house, but there seems to be something off about this woman...

Rolling in Bed with the Male Lead

Chapter 10

325

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.

Risou No Himo Seikatsu

Chapter 102

17,920,513

One day, average salaryman Yamai Zenjirou has an out-of-this-world experience—literally! He's pulled from Earth and dragged to another world where magic thrives and a gorgeous, powerful queen needs a consort. Now he's being pressured to marry that very monarch and help her bear a child. Will Zenjirou accept this life of lazy, luxurious love at the cost of leaving his home behind?

A Sense For Love

Chapter 46

742

Vidura isn't a gods-blessed Otherworlder, or a demon-slaying hero, but rather a simple guide. When he's left for dead in an archdemon's territory, it's that very demon that saves him and he offers an irresistible deal. Stay with him, and Vidura can get his revenge on those that betrayed him.

Shock-A-Bye Baby (Novel)

Chapter 44

6,188

Huido hasn't seen his father since he was a little kid. One day, Woorak, a debt collector, pays Huido a visit, claiming that Huido's father disappeared after taking out a huge loan. Huido, who has an irrational fear of middle-aged men, was left with no choice but to tase Woorak and lock the man up in the basement. But Huido's heart starts beating fast... could this be love?As Huido finds himself smitten with Woorak, he does his best to seduce the man. However, the mister seems just as strange as he is! The story continues to tell a shocking tale of love that dips between common and uncommon sense.Official English

The Visitor Of The Night

Chapter 61

32,808

Four years ago, after Seyeon lost her memories for five months, she began to dream of this every night. A dream where she made love to a man whose face she couldn’t see and whose identity remained a mystery. His body was strong, but his touch was gentle, and every movement he made was mesmerizing. Every time Seyeon felt those clear sensations, she was rendered confused, wondering who this man was. Was he her lover? The father of her child? Or just a man she knew for one fleeting night? Amidst the doubts that remained unanswered, one day, she met Soohyuk, her father’s personal doctor who had just moved from America. And when Seyeon first saw him, she felt an inexplicable sensation… A strangely familiar feeling. At the same time, when Soohyuk looked at her, his face froze in shock.

Don't Mix Business With Pleasure!

Chapter 93

947,848

not found...

Unauthorized Prohibited

Chapter 0

254

The moment they escape the boring bed andcapture their secret relationship in a space of new possibilities.Check it out now at [Seongbidan] No Unauthorized Ejaculation. #AdultBLShortStoryCollection#Seongbidan #HighLevelBL #OnlyMibl #OutdoorSleep #Classroom #SeniorJunior #PureLoveTop #GentleTop #OlderBottom #HeteroBottom #InTheOffice #InTheCar#LooksAtTop #GentleTop #CuteTop #PervertBottom #FlowerShop #SeniorJunior #Reunion #DarkTop #PureLoveTop #RegretfulBottom #PureLoveBottom #Subway #AdultToys #ObsessiveTop #SinisterTop #NeatBottom #SensitiveBottom #PublicRestroom #HateRelationship #CrazyTop #JerkTop #MasochistBottom #LowSelfEsteemBottom #AdultBroadcastLive #MobTop #SubmissiveBottom #FormerTopBottom #TrashBottom +

Males In The Breeding Room

Chapter 34

976

<Synopsis> [The sensual romance between researcher Seha and five breeding males] Seha takes a job at a research institute as both a researcher and a breeder. She is assigned five male subjects from whom she must collect reproductive cells. However,...

Celestial

Chapter 58

863

not found...

Dead Pivot

Chapter 47

1,265

Ball: Cha Yeon-woo (20)A-class guide. An innocent beauty who looks good with white hair due to manifestation. In the first matching test with Ji Seo-joon, he had an unprecedented matching rate. He has a sincere and gentle personality, and was rescued by Ji Seo-joon at the scene of a gate accident when he was a child. Since then, I've admired Seo-joon."Even if I am lacking a lot now, I will try to do better and better. So ......."Su: Ji Seo-jun (29)The strongest S-class esper in Korea. After losing his first guide a long time ago, he has refused to sign a dedicated contract. It has recorded a low matching rate with anyone, and it has long since avoided full-fledged guiding, so it is not known when it will run wild. A cold handsome man with a face that is always sensitive and tired."I don't need a dedicated guide with a lot of tears."Look at this time: When you want to see a self-proclaimed nonchalant who falls in love with the chastity of a nice and beautiful beauty, or when you want to see a love story where you only look at each other at the crossroads of life and death.Sympathetic text:I can't believe I can kiss like that again next time.If I become a dedicated guide, I can continue to be by his side.......+

Tamao's Love

Chapter 0

149

A story about a young lady in the prime of her romantic life and a seasoned courtesan who flowed in from the West.

Day and Night

Chapter 41

225

During the day, Sheng XI is an elite VP, but at night, he secretly works as a fan service streamer… One day, a handsome and radiant rich second-generation idiot appeared at his company to become his assistant. Without a choice, he now has to endure this foolish rich kid while assuring his own secret identity stays concealed. However, this seemingly sweet and naive rich kid unexpectedly also has more than one identity~ Seemingly innocent yet actually manipulative assistant x elite queen-like VP

Exclusive Scandal

Chapter 89

41,784

not found...

Ebony Castle

Chapter 36

28,871

In a world where names mysteriously appear on skin, pianist Dohwa "Eden" Yeon finds Tristan Locke's name etched on his body. But after tracking the reclusive nobleman to a forest manor, Eden learns his name isn’t on Tristan. As his life ebbs without Tristan's touch, Eden clings to a man who stubbornly rejects him. **Original Novel:** [RIDI](https://ridibooks.com/books/3050000006), [Mr Blue](https://www.mrblue.com/novel/E000084227), [Bookcube](https://www.bookcube.com/detail.asp?series_num=921033875) [**Original Webtoon**](https://ridibooks.com/books/5623000006) **Official Translations:** R19: [English](https://manta.net/en/series/ebony-castle-full-ver?seriesId=3055), [T.Chinese](https://www.bomtoon.tw/detail/Ebony) R15: [English](https://manta.net/en/series/ebony-castle?seriesId=3151) ##### NOTE: The novel with be getting an English official translation by [Publang](https://x.com/publang/status/1914456921526140977)

Summer With a Younger Man

Chapter 0

269

In the summer of her thirtieth year, Yeong-won's seven-year relationship came to an end."I like someone prettier and younger than you."Suffering from lingering emotional trauma caused by her ex-boyfriend's terrible breakup line, Yeong-won registers for a local Taekwondo gym to clear her mind. What she meets there is Kang Eun-ho, a former national team instructor. He was handsome, pretty, and even eight years younger than Yeong-won. Then one day, a drunk Yeong-won runs into Eun-ho and ends up making a massive mistake."Sob, my sausage... I caught it! But why is it so hard, is it spoiled?""...Why would that be spoiled? It's perfectly healthy."Yet, this young and pretty guy keeps interfering in her life. Why? +

Circumstances of the Knight Breaking His Leash

Chapter 0

785

"Swear loyalty to me. Comfort me."After her brother's death, Countess Selene is driven to the edge of a precipice.To protect her family, she attempts to seduce and win over Aiden, the only knight she could trust.Because she believed he was a naive, loyal knight of common birth.Because she foolishly thought she could keep him under her absolute control.However, that was Selene's arrogance."How would you like me to comfort you, my young lord?"Feigning falling for her clumsy seduction, Aiden reveals his beastly true nature.He snaps the leash Selene was holding and turns the tables, tightening a chokehold around her breath.A beastly predator by night, a flawless knight by day.The secret and sultry circumstances of a knight set out to devour his lord's body, mind, and territory. +

Adult Manga Online | MangaNato

POPULAR MANGA

Filter

Genres

Type

Status