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

The Hero Who Does It with the Demon Race

Chapter 23.5

693

One year after the Demon King was defeated. Belphegor, a former executive of the Demon King’s army, was living a life of indulgence and laziness. Unable to tolerate this any longer, the strategist Medea gives him an order: “Belphegor, go kill the Hero.” Reluctantly, Belphegor heads to the human world and looks for an opportunity to assassinate the Hero. But by chance, he discovers the Hero’s secret… The Hero isn’t a man, but a woman?! After learning this secret, Belphegor proposes a deal—he’ll lift her curse in exchange for something. And so begins their uneasy journey together.

Koukou Tekken-den Tough

Chapter 401

273

Nobody enjoys a good fight more than "Kiibo" Miyazawa, a high school student whose father is training him in the family's secret martial art. Kiibo dreams of becoming the next Bruce Lee, but his awesome fighting skills may soon surpass his idol's!

Limit of Obsession

Chapter 10

316

"Yeseo, you can't beat me. Because you aren't as crazy as I am."To pay back the 10 billion won her father stole and disappeared with, Yeseo becomes collateral for a terrifying man, Do Kang-hyun."Well then, Ms. Jin Yeseo. May I have you now?""You’re going to do whatever you want anyway, so does my answer even matter?"Knowing that this cruel man, who only knows how to possess, could never return her love, she barely manages to hold onto her heart and denies her growing feelings."I won't give you even as much attention as I would to a passing bug, Director."However, faced with Kang-hyun’s barbaric and wild obsession, Yeseo eventually admits it."My heart hurts... so please, Director... please...""Yeseo, you can't beat me. Because you aren't as crazy as I am."Even if that choice means falling together into the abyss led by Do Kang-hyun. +

Swans Grave

Chapter 56: Side Story 8

352

Anna, a dimension traveler, enters the ominously nicknamed “Swan’s Grave”—the Loengrin Marquisate—as a maid, in hopes of finding a way back to her original world. There, she encounters Marquis Rothbart, who mistakes her for his long-lost wife and forcefully claims her. Soon after, he makes a shocking proposal: “Become my wife’s replacement.” He also reveals the only way for Anna to return to her world: she must bear a child with someone from this world. As she hesitates, Rothbart’s son, Svanhild, also lingers by her side, pleading: “I want a mother, Anna.” A relationship doomed from the start. A condition she cannot refuse. Desperate to return home, Anna accepts Rothbart’s proposal… Original Webtoon: <a href="https://ridibooks.com/books/4328000335" target="_blank" rel="noopener noreferrer">Ridibooks</a>

My Master Doesn't Bite!

Chapter 48

551

‘Am I going to die just trying to buy a house?!’Lured by a high salary, maid Lucy travels all the way to a remote mansion.Her employer? A half-dragon named Ska, infamous for being completely insane.‘The pay includes putting up with his temper, right? That’s a pretty fair deal!’Smashing up the house on a whim?Kicking her out just because he hates her hair color?As long as she treats it like a service fee, she can endure it!But wait... when she looks closer, there’s something kind of cute about her master...Huh? The way he looks at her is starting to change...?No way~. Our master hates humans! +

Eolgulman Bogo Mannaneun Sayi?

Chapter 17

868

Seong Yigyeom, 27 years old, has nothing going for him in life except his face. Living up to the saying that he makes his living with his looks, he started working as a rental boyfriend the moment he became an adult, and even after seven years, he still holds onto his unshakable status as the ★ace★ of the industry. Swearing that he will land one big client and finally quit this line of work for good, Yigyeom suddenly finds Jin Gyutae standing in front of him. With his frizzy hair, thick prescription glasses, a checkered shirt that looks like it came from who knows where, and an aura of pure loser energy you could spot even from a speeding train, Gyutae seems hopeless. Just when Yigyeom is about to casually strip him bare for fun, once those damn glasses and shabby clothes come off, he actually looks a lot better. Still, honestly, is it even fair for a loser to be that big when he probably cannot even use it anyway… [A romance from another world between a low self esteem handsome bottom and a nerdy top who dotes on his hyung ♥] --- Original Webtoon: <a href="https://www.mrblue.com/webtoon/wt_000073858" target="_blank" rel="noopener noreferrer">MrBlue</a>

Papakatsu

Chapter 15

560

He found a baby. To a man who had lived under the world's scorn, that baby became his daughter, raised in captivity for twenty years... and eventually, his woman. And now, hyenas who caught the scent of money have begun to show up at the place he had kept so carefully hidden. "Hey, old man. I hear you're loaded as hell. Why don't you slip us a little pocket money?" <a href="https://toptoon.com/comic/ep_list/papakacheu?p_id=pp_1601_001" target="_blank" rel="noopener noreferrer">Original Webtoon</a> Official Translations: <a href="https://global.toptoon.com/content/104006" target="_blank" rel="noopener noreferrer">English</a>

The Grudge

Chapter 61

979

After being betrayed and murdered by his fiance, the gang's young leader, Charles Ji, accidentally time-traveled back thirty years, ending up in the body of a 19-year-old boy. This fallen young Alpha is then rescued by a gentle, kind-hearted young Beta. Yet this angelic savior bears the exact same face as the fiance who murdered him in his past life...

Rebuild World

Chapter 85

289

At the risk of his own life, a young man sets foot in the ruins of a devastated old world. His name is Akira, and in order to claw his way out of the hellhole that is his birthplace of Slumtown, the boy became a hunter. In the wastelands he happens upon a strange woman, standing perfectly still, stark naked. She is beautiful, but it seems that only he can see her. She exists incorporeal, tantalizingly beyond any touch, and she tells him her name is Alpha. Alpha won’t show even a sliver of her real intentions, but with a wide smile, she brings Akira his first commission as a hunter. Akira takes the task, if only to become a stronger hunter, and having entered a contract, their dramatic lives in the hunting profession was set to begin. From Stories of the Boy Hunter as recorded by the Eastern Hunters’ association. Written post-collapse of scientific civilization.

Eternal Loop: A Thousand-Year Grind

Chapter 279

714

Wu Chen is stuck in an endless time loop, reliving the same day over and over again—July 7th, 2020. No matter what he does, the clock resets. Over a thousand years, he's mastered hundreds of languages and every instrument imaginable, and perfected skills in fighting, driving, shooting, cooking, dancing, acting...and more. But on this very day, something changes. July 8th, 2020 finally arrives... <a href="https://www.kuaikanmanhua.com/web/topic/16892/" target="_blank" rel="noopener noreferrer">Original Webtoon</a> Official Translations: English (<a href="https://webcomicsapp.com/comic/Eternal-Loop-A-Thousand-Year-Grind/6746cb7262661d28776613d2" target="_blank" rel="noopener noreferrer">Webcomics</a>, <a href="https://www.tappytoon.com/en/book/eternal-loop-a-thousand-year-grind" target="_blank" rel="noopener noreferrer">Tappytoon</a>, <a href="https://www.webnovel.com/comic/eternal-loop-a-thousand-year-grind_34123490408142601" target="_blank" rel="noopener noreferrer">Webnovel</a>), <a href="https://jp.piccoma.com/web/product/159332" target="_blank" rel="noopener noreferrer">Japanese</a>, <a href="https://recomics.org/manga/ive-been-stuck-on-the-same-day-for-a-thousand-years" target="_blank" rel="noopener noreferrer">Russian</a>, <a href="https://page.kakao.com/content/66577813" target="_blank" rel="noopener noreferrer">Korean</a>

Wanna Work Overtime?

Chapter 31

749

“Your darkness might become someone else’s light.” A man who lost his wife in an accident, Oh Dohyeon. And a woman who locked herself away under the weight of the world’s judgment, Min Sia. Through each other’s wounds, the two finally come face to face with the boundary between light and darkness. He finds forgiveness within her, and she finds in him a reason to keep living. But between guilt and salvation, love always demands the cruelest choice. A single mistake brought their time to a standstill— and now, as they begin walking toward the light again, this becomes “a story of healing deeper than love.”

I Became the Heroine of an Erotic Story

Chapter 10

750

A woman who was reading an erotic novel becomes the protagonist of the story, rejects her predetermined fate, and reclaims her right to choose. Original Webtoon: Ridibooks, Naver Series, MrBlue

Drunken Men and Women

Chapter 28

253

Original Webtoon: Naver Webtoon, Naver Series

The Concubine

Chapter 38

102,204

Born the cherished daughter of a noble family, Won’s life shatters when a sudden tragedy leaves her on the brink of being sold off as a courtesan. To make matters worse, the man behind her family’s downfall is none other than the father of her childhood friend, Wanhyeok. Just as she resigns herself to losing everything, Wanhyeok steps forward…paying the price of her freedom with his own two hands. Torn between a desire for revenge and love, does Won have what it takes to avenge her family’s name? [Original Webtoon](https://www.lezhin.com/ko/comic/mistress) **Official Translations:** [English](https://www.lezhinus.com/en/comic/concubine)

Birdy the Mighty Evolution

Chapter 126: Peridan's Forbidden Book #21

516

After two years of being dormant inside Tsutomu Senkawa, an accidental encounter with their old nemesis violently wakes Birdy up. With Birdy kicking evil's ass once again, the dark secrets of the experiments conducted by the "Agni" corporation are slowly revealed. They seem to be dabbling with human body enhancement, creating what they call "beast men," to combat the alien invasions related to Birdy.

Show Me Your Fangs

Chapter 33

916

My Childhood Friend and Naughty Business Made My Grades Go Up?! Sora, raised under a controlling mother, enters Korea University's medical school as her mother wished. However, she feels increasingly helpless as she realizes she's falling behind her brilliant peers. Then, she accidentally witnesses a classmate's secret sexual encounter, and a series of events begin to shake up Sora's daily life. With the sudden appearance of her childhood friend, Chanhee, and a mysterious, seemingly perfect senior, Sora wonders, "This isn't what I imagined university life would be like...?!!" This is the cheeky and bold romantic comedy that engulfs Sora, a freshman at Korea University.

The Hand That Once Fed

Chapter 117

403

Evelyn Winter is the daughter of the House of Winter. She cruelly chases away the dog that only followed her, Gillas Black. “Didn’t you say you loved me?” "Love? Did you believe that word? You don’t know your place, you idiot.” “You will regret this moment.” Evelyn has no regrets, she marries Rowen, Delilah's heir and has a daughter, Sherry. But their happiness is short-lived when Rowen dies in a train accident and she is left a widow. To make matters worse, his family's financial situation deteriorates. And the boy I used to pet is missing. The dog I abandoned came back as a war hero.

Silver Tree

Chapter 81

662,284

During the reign of Philip IV of France, Acre is in the midst of a war between the invading Mamluks and the Knights Templar trying to protect the Holy Land. On the day when Lea's family decided to leave by boat to escape the threat of war, Lea is forced to go into the middle of the war to return the sword entrusted to her by the leader of the Knights Templar. However, when she arrives trembling with the sword firmly strapped to her back, she witnesses the leader's death, and in a moment of danger, she meets Balta, the beautiful knight she had dreamed of since childhood. But this was not the time for her to indulge in such sentiments. The sword had lost its owner, and the atmosphere in the Knights Templar is somewhat strange. “It’s dangerous to go alone, I will take you there.” --Written by the same author as The Golden Forest--

Predatory Marriage

Chapter 91

1,920,331

"Remember? I promised to ruin your life." When Leah, a devoted princess, faces a tragic downfall, she plots one final revenge against the royal family by becoming an impure bride. Later, when her one-night stand unexpectedly appears, Leah finds herself unable to resist him as he brings madness into her once orderly life. --- Lea wrote a suicide note ahead of the wedding. Because she'll die after the first night. It was the miserable end of a princess who devoted her entire life to her country and the royal family. Before she gives up her life, Lea plans her final revenge on the royal family. It is to become a new bride who has lost her innocence. "Why did you give up your first experience like this? Don't you want to run away?" "I... want to die." It was an impulsive remark because he was just a one-night stand. I thought it was meant to end like that. Until we meet again in an unexpected place. He eroded her orderly daily life. Despite knowing it was a dangerous relationship, she couldn't resist him. What on earth is that man thinking? "You don't remember?" the man said with a fierce smile, "I told you I'd ruin your life."

Wintertime

Chapter 20

324

Ever since being disowned by his religious parents for being gay, Kwon Yihyeon has been all alone. After nine years, he believes he has gotten used to this life until he runs into Gu Seunghyeok, an old wound from high school. Now a ruthless gangster, Seunghyeok is just as cold to Yihyeon as the winter they have reunited in. But when Yihyeon enters a contract deal with Seunghyeok due to his financial troubles, perhaps their frosty relationship could turn into hope of a spring to come... <a href="https://www.youtube.com/watch?v=FWZEtmEhuKY" target="_blank" rel="noopener noreferrer">Official PV</a> --- Original Novel: Volumes: <a href="https://ridibooks.com/books/2877020931" target="_blank" rel="noopener noreferrer">RIDI</a>, <a href="https://www.mrblue.com/novel/E000122063" target="_blank" rel="noopener noreferrer">MrBlue</a>, <a href="https://www.bookcube.com/detail.asp?series_num=924018592" target="_blank" rel="noopener noreferrer">Bookcube</a>, <a href="https://series.naver.com/novel/detail.series?productNo=11960969" target="_blank" rel="noopener noreferrer">Naver Series</a> Chapters: <a href="https://ridibooks.com/books/2877019008" target="_blank" rel="noopener noreferrer">RIDI</a>, <a href="https://www.mrblue.com/novel/E000155212" target="_blank" rel="noopener noreferrer">MrBlue</a>, <a href="https://www.bookcube.com/novel/detail.asp?serial_num=sg2459" target="_blank" rel="noopener noreferrer">Bookcube</a>, <a href="https://series.naver.com/novel/detail.series?productNo=13392997" target="_blank" rel="noopener noreferrer">Naver Series</a>, <a href="https://www.joara.com/book/1786558" target="_blank" rel="noopener noreferrer">Joara</a> Original Webtoon: <a href="https://ridibooks.com/books/2404036823" target="_blank" rel="noopener noreferrer">RIDI</a>, <a href="https://www.lezhin.com/ko/comic/dongjeolgi" target="_blank" rel="noopener noreferrer">Lezhin</a>, <a href="https://www.mrblue.com/webtoon/wt_000078549" target="_blank" rel="noopener noreferrer">MrBlue</a>, <a href="https://www.bomtoon.com/detail/winter_season" target="_blank" rel="noopener noreferrer">Bomtoon</a>, <a href="https://www.bookcube.com/toon/detail.asp?webtoon_num=260350" target="_blank" rel="noopener noreferrer">Bookcube</a>, <a href="https://series.naver.com/comic/detail.series?productNo=14156393" target="_blank" rel="noopener noreferrer">Naver Series</a> Official Translations: R19: <a href="https://www.tappytoon.com/en/book/wintertime-m" target="_blank" rel="noopener noreferrer">English</a>, <a href="https://www.lezhinth.com/detail/winter_love" target="_blank" rel="noopener noreferrer">Thai</a>, <a href="https://www.bomtoon.tw/detail/winter_season" target="_blank" rel="noopener noreferrer">T.Chinese</a> R15: <a href="https://www.tappytoon.com/en/book/wintertime" target="_blank" rel="noopener noreferrer">English</a>

Lycan

Chapter 89

36,540

Cali is on a quest to discover her identity and must travel to see the elf queen of Sorte, who left her at the convent as a baby. After hearing Duke Lycan Warren and his knights are traveling in that direction, she disguises herself as the deadly duke’s fiancée and ends up in a political marriage. Although Cali plans to run away eventually, she finds herself being drawn to Lycan as their hearts and bodies grow closer. Can the unlikely couple forge a true bond despite their secrets and lack of experience in love? Original Novel: <a href="https://series.naver.com/novel/detail.series?productNo=8234096" target="_blank" rel="noopener noreferrer">Naver Series</a>, <a href="https://page.kakao.com/content/62640752" target="_blank" rel="noopener noreferrer">KakaoPage</a> Original Webtoon: <a href="https://comic.naver.com/webtoon/list.nhn?titleId=835586" target="_blank" rel="noopener noreferrer">Naver Webtoon</a>, <a href="https://series.naver.com/comic/detail.series?productNo=12084073" target="_blank" rel="noopener noreferrer">Naver Series</a> Official Translations: R19: <a href="https://www.tappytoon.com/en/book/lycan-m" target="_blank" rel="noopener noreferrer">English</a>, <a href="https://www.webtoons.com/zh-hant/romance-m/lycan/list?title_no=7909" target="_blank" rel="noopener noreferrer">T.Chinese</a> R15: <a href="https://www.tappytoon.com/en/book/lycan" target="_blank" rel="noopener noreferrer">English</a>

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