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

Romantic Mystery

Chapter 21

1,133

Go Yiyoung, a mystery game enthusiast, is walking down the street after leaving a review for the popular mystery game [The Sin of the Blue Silhouette]. As he walks, he fails to avoid a bicycle and gets hit. When he regains consciousness, he realizes that he has entered the mystery game he was just playing. To survive, he must prevent the murder of the culprit he encountered in the game, Cha Gyeonwoo... **Original Webtoon:** [Bomtoon](https://www.bomtoon.com/detail/romanticmystery), [Lezhin](https://www.lezhin.com/ko/comic/romanticmystery) **Official Translations:** [Japanese](https://www.beltoon.jp/detail/romanticmystery)

Aunt's Embrace

Chapter 21

602

Aunt Yunjung had always protected Sanghun since he was a child. Then one day, with the news of his aunt's marriage, he moved to Seoul. Time passed, and Sanghun became a university student. As he pondered where to spend his vacation, news of his aunt, whom he hadn't seen in a long time, reached him. Sanghun arrived at his aunt's house with excitement and anticipation. His aunt, who opened the door and came out, was wrapped in only a shower towel, looking at Sanghun and welcoming him happily... **Original Webtoon:** [RIDI](https://ridibooks.com/books/3587013647), [Naver Series](https://series.naver.com/comic/detail.series?productNo=13893465), [Lezhin](https://www.lezhin.com/ko/comic/aunts_embrace), [MrBlue](https://www.mrblue.com/comic/C000077011), [Toptoon](https://toptoon.com/comic/ep_list/my_aunts_arms?p_id=pp_1601_001), [Toomics](https://www.toomics.com/uplmscg/episode/toon/9157) **Official Translations:** [Japanese](https://www.toptoon.jp/product/129973)

Another Woman's Man

Chapter 65

13,559

Jung Eun-ae, whose life goal is to marry Jin-hong—an undeniably perfect boyfriend—and to build a family anyone would envy. Growing weary of her boyfriend, who fails to fill her loneliness, she finds herself drawn to her senior, Lee Jae-won, who, despite his seemingly indifferent demeanor, is surprisingly considerate. Despite knowing that he is a married man, she begins to feel an attraction toward him, and in order to have him, she consciously—or perhaps unconsciously—starts to shatter her own moral beliefs one by one...

Only Kind to Me

Chapter 62

51,127

The model student leewon has a crush on the school's most popular kid, seohangeon. Leewon is happy to just watch him from afar, but when he goes up to his third year of middle school and ends up in the same class as Seohangeon, he is happy every day. Seohangeon is surprisingly kind, unlike the rumors, and they both gradually get closer...However, reality forces them to part, breaking their promise to stay in touch. Eight years go by.Now 28, leewon suffers from PTSD and insomnia. He returns to his hometown of Busan for graduate studies, where he reunites with seohangeon..+

Despite That

Chapter 64

116,327

[HoneyXBee Scans] Jung Hae-il', a police officer, returns to his hometown in Seoul from Daegu to escape the guilt of his past. However, he unexpectedly runs into his old lover, Jun Seon', who is involved with a new drug related to his past trauma. As Hae-il faces this new challenge, a mysterious new assistant, Han Gyeol', appears before him

Cash Or Credit

Chapter 80

153,718

Keith, a legendary con artist who made a career out of swindling mafias and criminal syndicates, finds himself cornered by the police. To avoid capture, he hides in the most unlikely place—prison. But the temporary safety of his self-imposed confinement is short-lived when he catches the attention of the prison's ruthless warden, Della, the most feared guard in the joint. Now, Keith must navigate a new power struggle where he might be forced to lose more than just his freedom. *"Stop pretending to be innocent, and hurry up and take it off."* --- [Original Webtoon](https://lezhin.com/ko/comic/c_or_c) **Official Translations:** [English](https://www.lezhinus.com/en/comic/cash_credit), [French](https://www.lezhinfr.com/detail/bt_1111190), [Japanese](https://www.beltoon.jp/detail/c_or_c), [T.Chinese](https://www.bomtoon.tw/detail/c_or_c), [Thai](https://www.lezhinth.com/detail/c_or_c), [Spanish](https://www.lezhin.es/detail/cash-or-credit) --- ##### Note: All official translations are uncensored, except for Japanese.

Never Just Friends

Chapter 36

450

I have these childhood friends... But were we ever just friends? (Source: Toomics)

The Curse is Kind, and My Childhood Friend is Delicious

Chapter 28

422

'Sex with a childhood friend... Is that possible for anyone?' Ensign Lee Seol, an S-class hunter in South Korea, has one childhood friend. Captain Yeo Woogyeong, an S-class hunter who is so outstanding he even received a special promotion. "You...

Anata no Imouto

Chapter 16

0

"Be my ideal girl..." It's been two months since childhood friends, Yuuka and Kouta, started dating. However, due to their inexperience, their "first time" together doesn't go as planned. Enter Kouta's younger sister, determined to ensure the couple's happiness... No matter the cost... A boy, a girl, and his younger sister...

Saving My Magical Girl

Chapter 44

637

After a brutal battle, magical girl Ruby is torn into two separate bodies. Can Ruby reunite with herself before darkness wins? [Original Webtoon](https://www.toomics.com/webtoon/episode/toon/8517) **Official Translations:** [English](https://toomics.com/en/webtoon/episode/toon/8517)

Black Swan

Chapter 1

937

At the end of the 29th century, there was a king in Far East Asia.In an era where the number of countries in the world had dwindled from 237 to 98, and Far East Asia was suffering from resource depletion and an abnormal climate, countless human butchers, driven by their lust for the power to control the country, unleashed a bloodbath. Among these numerous villains, he was particularly notable.?Shall we now try to seduce the Goddess of Fate?To prevent a disaster from befalling his country, the king takes the gamble of a lifetime. However, what awaits him is an unforeseen emotion he hadn’t even anticipated by 0.1 percent.“Turn my love into a handful of ashes.” +

Navi's Comedy Of Romantic Errors

Chapter 64

27,866

Navi realizes he's a male lead in a 19+ reverse harem novel, but the other male leads are chasing him instead of the female lead! Desperate for peace, he turns to a mysterious guild master for help. Can he escape this chaotic romance?

Bygone Love

Chapter 50

898

Nahee is tasked with bringing side dishes to the eldest grandson who has just returned from England. Given her dependent situation, she cannot refuse, but facing Kwon Hyunjin—who once reigned as the little tyrant of the family—feels extremely awkward. However… his luxurious penthouse, where he lives alone, somehow feels cold and devoid of warmth, and that bothers her more than she expected. Thud. A hand suddenly reached out from behind me and pressed against the table. In an instant, I was trapped between both of Kwon Hyunjin’s arms. At the same time, a sweet floral scent exploded like a bomb. “How can I think of you as just a friend when you’re so damn pretty!” Hyunjin shouted as if he were about to lose his mind from frustration. “Cute, fucking adorable!” Stunned, I could only stare at him blankly, lips parted in shock— at Hyunjin, who was yelling with his face flushed red, as if he might die from the torment. “I’m going crazy because you’re so beautiful, Lee Nahee…” +

No Applause Allowed

Chapter 14

851

Born into a family of shamans and gifted with spiritual powers, Kang Hangeon has tried every possible method to avoid undergoing a shamanic possession ritual and accepting his fate. His habit of having one-night stands with men even began as an attempt to stop seeing ghosts. Unfortunately, the wandering spirits that refuse to pass on still won't leave him alone. Then one day, Hangeon encounters a malevolent spirit with such an ominous aura that even he is shocked. Worse, he nearly falls victim to the man possessed by that evil spirit... “Are you hurt anywhere?” At the critical moment, he's rescued by Seo Chaseong, a kind-hearted busybody who seems to appear out of nowhere. In that instant, Hangeon witnesses something incredible: A guardian spirit standing behind Chaseong devours the evil spirit. Realizing this, Hangeon comes up with a plan.

Bride Lessons

Chapter 36

887

The women, aiming to rise in status, begin classes to conquer their family's assets. [Original Webtoon](https://toptoon.com/comic/ep_list/Bride_Classes?p_id=pp_1601_001) **Official Translations:** English ([DAYcomics](https://daycomics.com/content/103809), [Toptoon](https://global.toptoon.com/content/103809)), [Japanese](https://toptoon.jp/content/%E9%9A%A0%E5%AF%86%E3%81%AA%E8%89%AF%E5%A6%BB%E4%BF%AE%E8%A1%8C/111160)

Clover Days

Chapter 13

219

not found...

Pull Yourself Together, Team Leader

Chapter 29

187

“Team Leader, watching you all vulnerable and alone is pretty cute.” To other departments, she’s the ace female team leader who excels at her job. To her own team, she’s a temperamental boss who nags at them every morning. One day… Siwoo, who had left his phone in the restroom, ends up discovering his boss masturbating there. ‘Crazy bitch, haha… So you were just an animal in the end, huh?’ [Original Webtoon](https://toptoon.com/comic/ep_list/Team_leader_stand_up_straight?p_id=pp_1601_001)

I'm Quitting Erotic Manga

Chapter 20

618

"When I become a real writer, let's meet again then." Five years after confidently confessing to Sujin, I truly became a popular writer. But I can't tell Sujin about the manga I draw. Because the manga I draw is... erotic manga!!! [Original Webtoon](https://www.lezhin.com/ko/comic/quit_eromanga)

CHATTERBOX

Chapter 40

501

"The birds hear the daytime words, and Seowoo hears the nighttime words." Seowoo (서우) lives in constant tension as a hidden information broker, selling secrets for a living. One day, Lee Jin (이진), an organizational operative with a 100% emotional, "F" type personality knocks on Seowoo's door. He seems suspicious... and clearly looks like he belongs to a rival organization... Yet, strangely, Seowoo finds that he connects with this person too easily, and his professional guard begins to drop. An uneasy and suspicious relationship begins between the 100% tense information broker and the 100% emotional "F" type operative (?). Is this feeling an elaborate plot, or true sincerity?

Jiwoo’s Master

Chapter 48

150,354

Listless and going nowhere, Jiwoo finds a flicker of purpose during his late-night shifts at the convenience store in regular customer, Juhee, a confident and captivating college student who treats him with unexpected warmth. But what begins as quiet admiration soon turns electric, as Juhee reveals a teasing, dominant side that awakens something deep in both of them. Caught between submission and desire, Jiwoo is about to discover just how sweet it can be to give in. [Original Webtoon](https://www.lezhin.com/ko/comic/jiwoo_jooin) **Official Translations:** [English](https://www.lezhinus.com/en/comic/yes_maam)

Satanofani

Chapter 208

7,819,872

A mysterious syndrome turns schoolgirls into homicidal monsters behind numerous atrocities in Japan. However, nothing is what it seems and when Chika Amagi is arrested for the brutal murder of five people, which starts a journey into uncharted and troubled waters!

Atone

Chapter 41

778

Born as an Omega, Haian is a quiet man who works hard in the present with a small goal, until he is reunited with Jung Hyun, a man whose past is tangled up with his sins. Jung Hyun demands that Hai-an work as his secretary and repay a huge debt. .... Can he untangle the threads of his tangled past?

Cigarette Ash

Chapter 17

144

[Original Webtoon](https://www.bomtoon.com/detail/dambaejae)

The First Season

Chapter 16

690

Even when rumors spread that she was the daughter of a wealthy family, Ji-seo never bothered to correct them. As long as she kept her distance from everyone, no one would ever find out the truth.After all, being mistaken for a rich girl was far better than being looked down on for being poor.But the quiet, comfortable little world Ji-seo had built on a foundation of lies began to crumble before she could even enjoy it for two years.And it all started when she met the ‘real’ Shin Jae-eon.Unlike everyone else, Shin Jae-eon had everything—wealth, status, and the sharpness to see through even the smallest lie. If there was anyone who could uncover her secret, it was him.So Ji-seo did everything she could to stay away from him.Unfortunately, the more desperately she tried to avoid Shin Jae-eon……the more entangled their lives became. +

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