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

I Confessed to the Wrong Guy

Chapter 4

656

Heejoo decides to confess after hearing that the junior she has had her eye on as a 'sex wannabe' is taking a leave of absence. However, contrary to her plan to subtly use alcohol as an aid, things get twisted, and she ends up confessing to the wrong guy...

The Genre Is Way Too Different!

Chapter 11

276

“I really can’t hold back anymore.” With those words, a pair of hot, alcohol-scented lips suddenly claimed mine— before I could even gather my thoughts, my dazed lips were swallowed up. ‘Uh, this is a little…’ …No, this is completely wrong! Sasha finds herself possessed inside a romance-fantasy novel where the main plot revolves around the power struggles between nobles and royals. But the moment that story becomes her reality— the genre changes entirely. It was supposed to be a wholesome, all-ages story, one where the protagonists didn’t even share their first kiss until around chapter 100... “…Why does it feel like the genre here is way too different?” ---- Extra Tags #ShortStory #SweetRomance #VirileMaleLead #PowerDynamics #UnrequitedLove #DirtyTalk

Just Because You’re Hungry, Doesn’t mean You Can Eat Anything

Chapter 3

231

"Don't cry, I wasn't attacked. In fact, I was the one who got attacked. " Lee Jeong-yeon, a deputy PR team member at a large corporation, plans to confess to her boss, Gong Ji- hyeok, whom she's had a crush on for six years, on Christmas, but discovers he has someone else in mind. Struggling with frustration, she impulsively meets an online friend and, drunk in an instant, finds herself in danger of being attacked in a hotel room. She desperately cries out for help, but is immediately hit in the head and passes out. She thought it was the end, but what happened? When she came to, she was lying next to Ji-hyeok in his bed...

I'll Keep Her for Myself

Chapter 11

974

“Am I… watching a webtoon right now?” After joining a new company, he starts to notice something strange— his female superiors seem oddly familiar. Soon, he discovers the shocking truth hidden within their smartphones… their secret, intimate preferences revealed.

Yuta Shinomiya Can't Hold Back!

Chapter 3

766

Office worker Chika Ayase finds a little bit of respite in her busy life when her younger colleague, Yuta Shinomiya, asks her to be his girlfriend. She's always thought he was cute, so she agrees to date him, but Chika has a little secret. She's actually got a major perverted streak! After groping Yuta on the train while they're commuting to work, she invites him out to a bar with private rooms in hopes of getting handsy with him again, but little does she know that when Yuta drinks, a whole other side of him comes out...

Body and Money

Chapter 3

782

Naive housewife Jo Mi-hyun is forced to take on her husband’s massive debt. When she meets the infamous loan shark Baek Sa-hyun, her life begins to spiral in unexpected ways. A suspicious contract ties the two together — and as their relationship deepens, both bodies and emotions begin to twist out of control.

Her XL-Sized Problem: Approaching Thirty and Hung Up on Sex

Chapter 7

650

All I wanted was for him to love me. Nothing more, nothing less. Kawaguchi, my subordinate at work, was cool and stand-offish, but he was nice to me. He looked up to me and didn't hold my position against me. By all appearances, he seemed to be a sexually disinterested metrosexual male. Surely, we could be together without needing to have sex. If so... he would be my ideal man! However, when I invited myself over to his place one day, after telling him I didn’t like sex, he pinned me down in a fit of rage and wouldn’t take no for an answer! At first, I thought, maybe I’d just let him have his way with me... I did like him, after all. But when I saw his thing... it was huge! As big as a man’s arm! I just couldn’t believe my eyes. There was no way I could let him put that inside me... no way!

No Dating in the Lab

Chapter 1.3

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?

The Color of Sin: An Innocent Sin 2

Chapter 10

559

Seeking a place where no one knows him, Noah disappears without a trace. But even there, people become captivated by him—and want to make him their own. Meanwhile, Amon’s sudden arrival drives a wedge between Noah and Nayeon… From creator Oh Gye, the second installment of “Innocent Sin.”

Under the Silent Night

Chapter 30

184

A campus romance between Shin Seungwon, a former soccer player and Sports Rehabilitation major, and Kwon Jaeyoon, a student from the Business Administration department— Kwon Jaeyoon, a Business Administration student, undergoes surgery due to tinnitus in her left ear and returns to campus a year later, where she unexpectedly runs into Shin Seungwon, the person she had a crush on 5 years ago. Before Jaeyoon could organise her thoughts, Seungwon, who is in the same class, begins to approach her without hesitation, causing Jaeyoon’s heart to waver. When Seungwon helps Jaeyoon every day after she injures her leg late at night, Jaeyoon feels uncomfortable with the one-sided kindness. In response, she decides to help Seungwon with his practical work for the Sports Rehabilitation class. Despite trying her best not to notice, Jaeyoon's body keeps reacting instinctively, leaving her awkward and worried that she might be misunderstood as a pervert. +

The Living Widow

Chapter 2

218

“...Yes, I understand. I will warm my brother-in-law’s bed.” “……!” “I don’t care if I become a concubine or a maid serving him at night.” On her wedding night, her husband collapsed onto her stomach with a thud. He had been thrusting madly, but before even half an hour had passed in the bridal chamber, he stopped breathing — dying just like the rumors said, from overexertion in bed. After that night, her mother-in-law forced her daily to take her own life, and she endured endless torment. Then one day, her late husband’s older brother, Jaegyeom, appeared before her like a ray of light. If only she could escape this suffocating life in Joseon — she would do anything to break free from this wretched world.

The Celestial Fairy Has Me Bound

Chapter 7

608

Samdol, a woodcutter known for his strange bad luck — his clothes always end up torn — is saving money to buy an expensive silk outfit said to never rip. One day, while working in the forest, he rescues a deer being chased by a hunter. As a token of gratitude, the deer leads him to a mysterious hidden pond — the secret place where celestial fairies bathe. After an unexpected accident, the fairies hurriedly return to the heavens, leaving behind only one of them, Danhwa, who has lost her celestial robe and can’t go back. With no other choice, Danhwa ends up staying at the woodcutter’s house. However, to make matters worse, she enters the “mating season that comes to celestial fairies once a year” and begins to throw herself at Samdol. And so begins a cohabitation filled with misunderstandings, magic, and situations as amusing as they are dangerous.

The aesthetics of the game

Chapter 42

811

Nadia decides to have an arranged marriage to reverse her family's declining fortunes. She waits for her future spouse at the cafe without hearing anything about him. And then she meets Yuri. Nadia is confused by Yuri's strange charm and follows him. But it's the wrong meeting. As Nadia follows Yuri out, Nadia's real partner Peter meets Katerina instead. When a vanilla, not inclined person, meets an inclined person, it opens their eyes to play. The time of the wrong meeting gets longer and longer, and the four realize that they didn't meet the person they were supposed to meet. They have gone too far to get back on track...

I Can't Escape My Obsessive Boss's Affection

Chapter 1

808

That look on your face after only a kiss... you're adorable... Mami's a working adult stuck in a rut after her long-term boyfriend said she feels too much like a mom and dumped her. To add to it all, she's now stuck in the elevator at work after an earthquake! On top of that, she's stuck in the elevator alone with the charming president of the company, Mr. Todo... seeing that he seemed panicked by the enclosed space, Mami reaches out and tries to comfort him with kind words and a soft embrace. Little did she know this would mark the start of a passionate romance sealed with a kiss.

Netorare Ai

Chapter 19

806

"I never actually came before..." Kanae is just your average college student having trouble with her boyfriend in bed. One night staying at her sister's place, her sister's boyfriend, Yukiji, mistakenly gets in bed with her instead! Kanae's got no idea what to do about the whole thing, and when she finally confronts Yukiji... he doubles down and suggests a pact to do this more?! She knows it's wrong... but can't help but think about all these new feelings...

Stupidemic

Chapter 61

380

A rural factory faces a new outbreak of the "Dumfluenza" virus, and for Daeho, this could be his chance to get back to his arrogant boss lady.

Turn You On

Chapter 57

365

Sung-hyun is about to start his college life and he can’t wait. The parties, the club activities…maybe even getting a girlfriend?! There's just one problem. This damn virus that’s been going around has made all classes be conducted online. But just when Sung-hyun thought his luck couldn’t get any worse, things start to turn around when his classmate forgets to turn off her webcam...

To Dig In

Chapter 13

163

not found...

Sexcape Room Estranged

Chapter 2

935

“Sexcape Room Series — Part 5!” By the trick of the gods, a man and woman are trapped in a room where they can’t escape unless they have sex! And the woman before him just happens to be… his first love, who’s now dating his friend!?

Is This Your First Time as a Death Metal Siren?

Chapter 35.5

666

Being a death-metal-singing RPG fangirl is a tough job, but someone’s gotta do it. Between part-timing at an adult toy store and struggling to get her death metal career off the ground, Serin spends all of her remaining time romancing her favorite video game character, the paladin Alaistar Chiffon. Then one day, fantasy romances become reality when she awakens in the game's world as a siren! However, although there are plenty of good times to be had as a sexy siren, not everything is fun and games in this fantastical world…

Changed Into A High School Girl

Chapter 5

537

I’m a middle-aged man on the inside, but I look like a high school girl on the outside!? I swear I’ll take my own body back.

Fleurage Love: Taken by My Kind Neighbor

Chapter 18

260

"I'm in love with you, poor girl." By the time she realizes it, it's too late... She's entangled in his love and can't escape. Ritsuka moves to an unfamiliar city for a job transfer and meets her mysterious neighbor, Akito Yukimura, who often smokes a cigarette over his balcony. Akito is a writer, elusive yet knowledgeable, and always ready to lend a hand. Before she knows it, Ritsuka lowers her guard, gradually trusting him. She finds herself talking to him about work—and even her long-distance boyfriend…? "This is a secret just between the two of us." Behind his gentle smile lies an intense, hidden love… The long-awaited comic adaptation of the popular voice work "Fleurage Love" series!

It's over, I've Laid Snake Eggs After Being marked

Chapter 36

653

This is my first time posting a translation, and I'm only doing it cause I wanna read it tooBasically, this is an office romance, an omegaverse universe, where our MC, Xie Suian, is working at a company with Jiang Yu, the ML.They are both team leaders and are kinda like enemies, not really though. One day, Jiang Yu loses control of his alpha pheromones around Xie Suian and left a mark on him

Convincing My Childhood Friend to Father My Favorite Character!

Chapter 9

270

If I don't have a child with my less-than-appealing childhood friend, my favorite character won't be born?! Richelle, a lady of a noble family, retains the memories of her past life. She realizes she was reincarnated into her favorite game's world and is ecstatic, but that feeling doesn't last long. If she doesn't have a child with her childhood friend Lucian, she won't be able to give birth to her favorite character in the game, Mikaril. To make matters worse, the key piece to her puzzle won't stop teasing her! On top of that, he's a heartthrob and a major hit with the ladies in town! Richelle is sure, without a doubt, that she doesn't stand a chance. However, one fateful day, she closes the distance with him at a party. She can't let this chance slip by, so she pushes him down the first chance she gets. What happened next wasn't what she'd expected though...!

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