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

Our relationship isn’t over yet

Chapter 2.2

696

not found...

Rebirth as The Villainous Duke

Chapter 3.1

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!

The Case of Three People

Chapter 1.8

747

Twin Gong x Childhood Friend **Original Webtoon:** [Postype](https://www.postype.com/@toogtlv/post/20029007)

Climax Training App - Younger Sibling's Breast Milk Edition

Chapter 2.0

476

"H-Hyung. You know... I... I'm going on a date with my girlfriend today..."Frozen stiff by the bombshell dropped by his stepbrother on a Saturday morning, Jang Choigeon turns on a 'Climax Training App' to sabotage the date.The more he uses it, the more his guilt vanishes at the sight of his brother reaching climax, and he becomes increasingly aroused+

AGENT CONNECTION 0 TIMES

Chapter 2.2

670

Yoo Jeongwon, a call center agent worn out from dealing with rude customers, finds unexpected comfort in the kind voice of one particular caller. Feeling a little lighter, Jeongwon finishes his shift and stops by a restaurant after work—only to recognize the same gentle voice coming from one of the staff members, Lee Gyuhyuk. Realizing that Gyuhyuk is the man who comforted him earlier, Jeongwon hesitates, unable to approach him and eventually decides to leave. But just as he’s about to walk away, Gyuhyuk calls out to him. “My shift ends soon, and… well…” “If we just part ways like this, I think I’ll regret it later.” Drawn in by Gyuhyuk’s warmth and sincerity—so much like his voice—Jeongwon finds it impossible to turn him down.

No Dating in the Lab

Chapter 2.1

210

“Who else would teach you about love if not me?” Dr. Jonathan is a prickly genius who cares about nothing but research. He’s just made an astonishing invention that could change humanity’s mating dynamics: the “love potion,” a.k.a. the “pheromone cocktail”! Thrilled at the thought of getting rich, Jonathan orders his TA, Sabrina, to arrange a press conference. Sabrina asks to have her name mentioned as a co-researcher, but Jonathan coldly refuses. Enraged, Sabrina charges at him, and after a fierce scuffle the pheromone cocktail splashes over them both. Intoxicated by the cocktail, Sabrina begins seducing Jonathan and snaps handcuffs on him, tying him up so he can’t attend the press conference. Four hours remain until showtime… Can Jonathan satisfy Sabrina in time?

My Brother’S Friends Can’T Be This Big!

Chapter 22

56,519

Read manhwa My Brother's Friends Can't Be This Big!This series includes themes and topics that might not suit everyone's taste, such as threesomes. Please be mindful when reading. "What would it feel like to be surrounded by muscular men, our bare skins rubbing against each other?" Ever since I was young, I've always preferred spending time alone in my room over hanging out in groups. Now that I've just become an adult, I find myself different from my friends who are busy enjoying clubs, group dates, and all that stuff. But of course, being introverted doesn't mean I lack desires. Yep, my thing was being with multiple people at once. Under the condition they're good-looking! I indulged in naughty chats online, something impossible in real life, enjoying the anonymity the internet provided. This perfect little world of mine "If we knew you were into this, we would have done it for you sooner." "Exactly. No need for us to fight over nothing." "No way!" "So, have you masturbated to our di** pics a lot?" I was wondering what kind of nutters that hot go around sending nudes. Turns out they were my brother's friends who've been annoying me all this time!!

The Swan’s Grave

Chapter 48

654

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… +

Goblin Slayer: Side Story Year One

Chapter 131

24,214,950

A prequel series revealing Goblin Slayer's past and the events that led him to become an adventurer with the sole purpose of exterminating all goblins from the world.

Heart Packer

Chapter 29

544

Under the dazzling lights of the host bar 'Kirin', lives Yoon Wooseung, one of its star hosts. One day, by chance, he comes face-to-face with the bar's owner, Taejeong. Wooseung's strange and peculiar demeanor piques Taejeong's curiosity, who, using money as bait, begins to toy with him. "This isn't bad. I think I'll have to 'subscribe' to you." However, as their relationship progresses, unexpected feelings begin to emerge between them. Gradually, their fractured pasts and most intimate secrets begin to be revealed. **Original Novel:** Chapters: [RIDI](https://ridibooks.com/books/120067130) Volumes: [RIDI](https://ridibooks.com/books/120075649), [Bookcube](https://www.bookcube.com/detail.asp?series_num=925041724) [Original Webtoon](https://ridibooks.com/books/840073178)

Damage Orange

Chapter 6

302

For her family and her tuition, 'Jeanne' takes a job as a maid for the 'Oderwood' family. Smitten by the character of 'Daniel', the kind and hardworking eldest son of the Oderwood family, Jeanne heads to his bedroom at his request to spend the night together. "With this scent, could you come to my room tonight?"

"Go Ahead and Come" ~The Tiger Inches Closer With His Pure Love, Sweetly but Surely~

Chapter 21

366

not found...

Romantic Mystery

Chapter 6

1,133

not found...

Don't Mix Business With Pleasure!

Chapter 90

947,848

not found...

Peach Boy (Yooyoung)

Chapter 37

369,713

not found...

Polygamy in High Society

Chapter 8

333

In modern-day South Korea, polygamy is strictly prohibited by law. However, Junseong — a man who has ruled the real estate world for three generations — chooses to live above the law, maintaining three wives. His first wife, Jeongsuk, manages a matchmaking company. His second wife, Mihyang, was once his personal secretary. And his third wife, Natalie, is a former model from Russia. Together, these three women and one man weave a suffocating web of high-society politics and forbidden pleasures, exposing the dark, indulgent harmony of desire behind wealth and power. --- Extra Tags #ModernSetting #ComplicatedRelationships #MarriedCouple #Threesome #Adultery #VirileMaleLead

Wolf Groom

Chapter 26

384

This is the sweet and fun love story between Hwan, an extremely virile man full of possessive desires who is sweet only to his woman, and Yeon, an innocent and adorable girl.Yeon, a wolf woman who was abandoned by her pack, begins living on her own but ends up sharing her life by chance with Hwan, a wandering wolf man she meets along the way.As Yeon loses her mind over Hwan’s bold displays of affection, her happiness is threatened when she once again clashes with the pack that abandoned her.Will Hwan and Yeon be able to overcome this situation and find happiness together? +

Love And Hell

Chapter 6

120

not found...

I Love Older Women

Chapter 4

155

[45-year-old mom of twin boys Jung Sook-hee X 25-year-old heavy-smoker lesbian queen Min Sera] Min Sera is a crazy lesbian who loves a wild sex life. One day, while drunk, she spots 45-year-old ajumma Jung Sook-hee, who lives in the same apartment complex. And just like that, Jung Sook-hee becomes the perfect prey for Min Sera… “Boobs, just you wait!”

The Dog of the Ruined Country Faces the Edge of a Cliff

Chapter 1.3

778

After a long era of conquest, Lucien finally elevates Bastion into an empire and ascends the throne. To calm the unrest left in the wake of war, he plans to publicly execute the king of the defeated nation, Haydin. For that, he imprisons Kay, Haydin's former knight-commander and the only person who knows the king's hiding place."Haydin kept a very loyal dog.""""Fortunately for you, I'm quite skilled at handling dogs."But even under brutal torture, Kaywho served Haydin with unwavering loyaltyrefuses to say a word. In the end, Lucien steps in himself and drags him down into the abyss.+

The Chairman's Secret Son

Chapter 49

590

not found...

Shock-A-Bye Baby (Novel)

Chapter 40

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

Until the Unripe Bean Sprouts — A Guide to Pleasure Felt for the First Time

Chapter 4

512

A timid woman who fears men is rescued from harassment during rush hour by a gentle, handsome stranger. Relief turns to surprise when she discovers he is the instructor of the cooking class she plans to join. Reassured by his calm demeanor, she lets her guard down until a bite of alcohol-filled chocolate flips a switch. His hidden sadistic side awakens, and what began as safety and trust spirals into a dangerous, intoxicating game that slowly draws her in.

Second Legal

Chapter 2.1

581

"Please date me. Even if it's just a second." Hyo- jun is warned that he might die if he doesn't find a benefactor to ward off his misfortune, but he ignores it. However, as he suffers from misfortune, he begins to believe that the words are true.Ironically, his benefactor is Ji-woon, the lover of the man who cheated on him with his ex- boyfriend. In order to keep Ji-woon by his side, Hyo-jun hires him as a housekeeper. What will happen at the end of this precarious cohabitation...?!

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