Manga Directory -- O

Touch Me awakens in another world, unsure of how he had got there. He encounters a soldier who is running away from something terrifying... ※ It is fabricated violently ※ ; hence the gore tag (It's not centered around it though, I'm just being careful.)

Overlord Reflect (Doujinshi) Vol. 1 Ch. 2

Sep 28, 2020

One Roof Two Stranger

Isaac was kicked out of his girlfriend's house on a cold night and had nowhere to go. Her brother appeared in front of him and now Isaac's going to live with him ?!+

Chapter 49

Jan 26, 2024

Oyaku Ni Tatsu No De Chi Wo Kudasai

A young man picks up a young vampire girl who has fallen ill, she then tries to give her all to repay her for his blood, but she’s too clumsy to do so. A vampire rom-com that depicts a warm life among different species where no one is left behind or abandoned!

Ch.050.5

May 31, 2025

Ore Ga Kokuhaku Sarete Kara , Ojou No Yousu Ga Okashii

The servant of the Tendou family, Eito, serves the perfect young lady, Hoshine. One day, Eito informs Hoshine that someone from another class confessed their feelings for him. Hoshine, who has hidden her feelings for Eito since childhood, begins to feel uneasy: «I’ve loved Eito for a much longer time!» As a result, Hoshine starts to approach Eito even more, making bolder advances than ever before! She gets close to him in crowded trains and begs him to sleep by her side… While Eito tries to maintain his role as a formal servant, Hoshine increasingly pursues him with her advances. It’s an adorable romantic comedy between a mistress and her servant, featuring a young lady who strives to win her servant’s love!

Ore ga Kokuhaku Sarete Kara, Ojou no Yousu ga Okashii 5

May 29, 2025

Only I Can Choose As Many S-class Rare Items And Broken Skills As I Want With The Awakened [Schrodinger's Cat]!

Adventurer Los was given the unique skill \"Schrodinger\'s cat\", but could only \'let the cat out of the bag\' and make it disappear. His childhood friend Grail, who had negative feelings towards Los, laughs at his incompetence and expels him from the party. Los sets off on a disappointing journey, but his life is turned upside down in the process! \"Schrodinger\'s cat\" awakens the power to change the laws, and Los\' world changes. Randomly acquired items and higher-level skills that should never have been available can now be selected! Los, unaware of Grail\'s fall due to his arrogance, uses his new powers to rise to the top with his female magician Misha and his cat, Nyan Koromochi!

Chapters 3

Jul 19, 2022

Overflow

Crossing the love capacity... ❤

Oneshot

Jul 22, 2024

One Husband Is Enough

"I thought life would be fun if everyone loved me."

Chapter 23

Aug 16, 2024

Ozland

Martial artist Min Deul-le finds herself trapped in the body of Dorothy, the magician, and embarks on an adventure in the fantasy world of Ozland.

Chapters 20

May 13, 2018

ONE PUNCH-MAN DJ - GS AV

Pairing: Genos x Saitama

ch.087

Jan 11, 2021

ORENCHI NO FURO JIJOU

The four-panel manga begins with Tatsumi, a high-school boy who lives by himself. Then, a devastatingly handsome merman named Wakasa moves into the bathtub in Tatsumi's home. Wakasa is a bit self-centered but cute, while Tatsumi is cool but a busybody. The manga offers a peek into their lives together.

ch.046.5

Jul 14, 2019

Open The Door

“I’ve clearly told you—I’m just an ordinary B0-class guide.” With a top-tier dual bloodline ability, Lee Yeoni lives and works in the countryside, keeping his looks and skills a secret. However, due to certain circumstances, he’s reassigned to the capital and becomes entangled with Tae Hajin, an S+ level esper. This sets off an unspoken power struggle between them. Tae Hajin, who is suspicious of Lee Yeoni, senses he’s concealing something and is intent on uncovering the truth. Lee Yeoni tries to thwart Tae Hajin’s efforts to expose him, but it proves challenging. To protect himself, he decides to use Tae Hajin as a shield and takes on the role of his personal guide.

Chapters 17

Nov 19, 2024

ORE TO HERO TO MAHOU SHOUJO

A web manga about a grown man who reluctantly transforms into a magical girl to fight monsters.

Chapters 22

Jan 29, 2026

Oppa, Not There

The forbidden ‘hole’ that a man imagines at least once and can’t be allowed even between lovers. So thought main character Sung Jae-hee, until he went to the hospital.

Chapter 5

Jan 09, 2023

Oh, Our General Myao.

The Socialist Republic of Coldona. A socialist nation that broke all diplomatic relations with other countries, asserting its tough stance. But the tough leader of the nation suddenly died. Following its hereditary succession system, a new leader was born in the nation of Coldona... a 9-year-old girl, Myao Chobirov! Can the world's most carefree leader of a nation lead the world into a new age of peace? The slapstick political drama of the dictator girl!!!!

Oh, Our General Myao 48

Sep 03, 2023

Ojisan To Ore No Koiwazurai

Since Kaname was a young boy, he's shared a secret with his uncle Takashi: That both of them are gay. He takes it upon himself to cheer his uncle up whenever his heart gets broken. Though after not seeing him for ten years, Kaname seems to have fallen right back into this role. Except, only one thing has changed...his feelings. He comoforts his uncle so many times, but after his feelings build up, Kaname can't hold back any longer. "Let me stand in for them."

Vol. 1 Ch. 1

Aug 02, 2019

Oh My Hero!

This Boys Love story is about Inui, a guy who works part-time dressing up as a tokusatsu hero (think Power Ranger) in shows for children. He meets the Mugita family, a father and his son who have a lot of love for one particular ranger. As the Mugita family is always watching his shows with great passion, he got interested in them and is happy when they invite him to their house. But while he enjoys spending time in their warm company, Inui is troubled because some desires in him awake when he thinks about Daddy-Mugita. Another story included is Aogeba Koishi, where a senpai and kohai from the middle school basketball club meet again as adults.

Vol. 1 Ch. 5.5

Jun 19, 2019

Onee-chan Wa Koi-Youkai

♪A little ecchi Love-Comedy Between Apparition Onee-san and Human Shota-ish. Yuuki Kuwahara, a boy who decided to live alone at his father 's parents house when He entered high school. He used to plays alone at his grandparents house ... with a pleasant expectation that He may meet again with a longing person He met when He was a child! However, in that house where nobody was supposed to be live in. But, the unexpected welcome waited for Yuuki ...! Boy and Youkai Girls will living under the "one roof"! Heartwarming oneshota love comedy started!♪

Onee Chan wa Koi Youkai 45

Jul 08, 2024

ONI WA WARAU KA

From Must Be Endless: Set in an ordinary middle school – Hoshitani unexpectedly comes across a love affair between his gym teacher and his frivolous classmate, Kashiwase, and becomes interested in him thereafter. When he finds himself alone with Kashiwase, Kashiwase teases him, but Hoshitani begins to notice the loneliness between the cracks of his confident appearance...

Chapters 6

Aug 03, 2023

Onmir The Oddity

He connected just like every time, but strange things started to happen.

Chapters 23

May 01, 2026

Ore No Vaccine Dake Ga Zonbi-ka Shita Sekai O Sukueru

Oikawa Yuu, who has been shut up in his house, is certain to die as a virgin at the age of 21. This is because the whole world has become a place filled with zombies... One day, a survivor visits Yuu\'s house. The woman, who calls herself Sunny, injects Yuu with a vaccine that may save the world from the zombies... but as a result, Yuu gains the ability to turn zombies back into humans by having sex...?

Chapters 4

Feb 06, 2025

OTOKONOKO TRAP

There's no intro for it...

Chapters 1

Nov 07, 2018

Ojisama Buchou Wa Zurukute Zetsurin ~ Shuumatsu Dake No Koi, Hajimemasu

"Go ahead, cum all you want." His big, hard cock loves me passionately... I didn't know my nice, kind chief was such a freak in bed!! Mahiro Okazaki is an overworked office employee. Her only comfort is Chief Tadokoro, her mild-mannered, dependable middle-aged manager. She thought her feelings for him were just a crush, but the more she gets to know him, the deeper those feelings become... "I like you," she confesses on the spur of the moment! He suddenly sounds different- "I'm a lot less nice than you could possibly imagine." He's 18 years older than me, but he goes at it unbelievably hard... I just came, but I'm gonna cum again...!

Chapter 18

Mar 04, 2023

OOMUROKE

A spin-off of the Yuru Yuri series featuring Sakurako and her sisters.

Oomuro-ke 115

Jul 29, 2025

Ohitoyoshi Shokunin No Burari Isekai Tabi

Ryoichi Ishikawa, a young man who lost his father, who was his only relative, and also decided to close the electrical shop that he and his father had been working on. From a strange matter, I choose to transfer to another world by my own will. It was supposed to be the second life of a leisurely trip, but I can not leave the person in need. We solve many worries by making full use of the cheat skills given by God and the skills of craftsmen. Sometime around, friends with one or two habits gathered…! ? The slapstick journey of a good-natured craftsman in another world begins here!

Chapters 7

Sep 22, 2024

ONLY YOU (TOHJOH ASAMI)

Except for story 5 and 6, the other chapters have Yuuki and Doujima as main characters! That means these are not oneshots but a very hot story about school boys. 1) Only You - Doujima is a captain and the only member of his Judo club of his high school. In order to prevent his club from being shut down due to the lack of members, he tries to recruit the reluctant, number-one judo member from junior high, Yuuki. Will Yuuki join the Judo club and how does Doujima tempt him? 2) Lovin' You 3) With You 4) For You - Does sempai love him? Will sempai remember his birthday? The way this junior shows his love is by [i]taking[/i] sempai! 5) Breathless 6) Violent Passion - Indulgent Tyrant - Fujikawa-sensei is working part-time at a host club to pay off a debt he had co-signed for. The vice-principal of the school threatens to expose him if Fujikawa doesn't become his boy-toy, but Fujikawa is saved by the intervention of a student, Kagaya. But it turns out to be a case of out of the frying pan, into the fire. Kagaya helps resolve the debt for Fujikawa-sensei, but he makes the sensei pay with his body. Will the sensei be able to get out of this situation before he starts to like it? 7) Happy Days 8) Give me Senpai

vol.1 ch.8

Aug 28, 2020

Otome Game No Mobu Desura Nai N Da Ga

Guy reincarnates into the gardening apprentice who works for the rival character of the heroine of an otome game. He doesn’t care and just wants to be a gardener.

Chapter 17.1

Jan 23, 2023

OBAKA-CHAN, KOIGATARIKI

From Shinnen: Since childhood, Neiro has been known for being good at fighting, making people fear her and giving her the title of Kansai's strongest woman. Wanting to find romance, she decides to transfer to a highschool in Kantou. Instead, what faced her was a specially assembled class of delinquents.

Obaka-chan, Koikatariki Vol.6 Ch.38

May 23, 2017

Ore Dake Mugen Sosei Suru S-Kyuu No Saiyaku Tou

There's no intro for it...

Chapters 16

May 13, 2025

Oritsu Majutsu Gakuin No Kichiku Koshi

Setsuna is a perverted instructor who is unable to invoke magic. As a part-time Instructor at the Royal Academy of Magic, he continually tells his students to self-study. The new students who entered the academy with high expectations are disappointed in Setsuna, and judging him to be incompetent, they challenge him to a Geas duel. 《Will you resign if I win?》《\"I\"? Surely you mean \"we\"... All of you have been pretty annoying, so I want you all to take me on. But in return, you know what will happen if you lose, right?》 Setsuna plays with the special students, who are the best in a hundred years, with perverse and astonishing magic that is unthinkable in common sense! But behind the demon-like behavior, could there be a true purpose...?

Chapters 15

Aug 08, 2024

Ore Dake Yoyuu No Isekai Survival ~Tenisaki No Mujintou De Tanoshimu Harem Life~

Kaito Saejima, an eccentric boy with a passion for survival, is suddenly transported along with his classmates to a deserted island in another world. To survive in such a dangerous environment, he starts living together with the beautiful girls from his class and shows off his incredible survival skills like a true expert! A harem survival life where I’m the only one taking it easy and having a good time with gorgeous girls!

Chapters 4.1

Oct 31, 2025

Office Worker Who Sees Fate

A child born to become a shaman and disrupt the world. He tries to become an ordinary office worker in order not to give up his greed and receive God.Choi Young-hoon, who sees through fate through contemplation and spurs. Can you really become an ordinary office worker?

Chapters 14

Feb 07, 2025

Ogre No Aniki To Doreichan

Gadis, an ogre that is feared by children, had found a human girl with a choker during one of his carriage raids. Under the supervision of Gadis\' comrade, Mizary, they ensure that the girl is brought home so that they can have dinner for the night. This sweet and innocent girl has an enchanting smile… but with it comes with a lot of trouble. Additionally, the girl has a big secret… --- [Author’s Twitter](https://twitter.com/kurikimaru)

Chapters 26

Nov 27, 2023

ONEPUNCH-MAN Into The ONE PIECE Verse

Saitama in the One Piece universe / A crossover fancomic of One Punch Man and One Piece

Chapter 64

Mar 30, 2024

Ore No Buki Wa Saijaku Dakedo Level Up Suru Rashii

A story about my rise from a humiliating NEET life to the strongest hero! The secret ingredient? The shattered and broken “weakest weapon?!” It turned out to be the only weapon in the world that levels up. Alongside the weakest weapon, this is the story of a ridiculed failure of a protagonist that ends up as a hero that saves the world!

Chapter 18

Jul 24, 2024

Osananajimi Kanojo No Morahara Ga Hidoin De Zetsuen Sengen Shite Yatta ~Jibun Rashiku Ikiru Koto Ni Shitara, Naze Ka Tonari No Seki No Kakure Bishoujo Kara Kokuhaku Sareta~

My childhood friend is also my girlfriend. A dream come true, right? Hell no. She insults me on a daily basis. She grinds my dignity into shreds and it takes a toll on my mental well-being. I can\'t take it anymore. So I\'m left with no choice, I\'m going to break up with her. In order to maintain my sanity, it\'s the only option.

Chapters 48.2

Dec 22, 2025

One-Punch Man (Webcomic) (Fan Redraw)

There's no intro for it...

One Punch Man (Webcomic) (Fan Redraw) Ch. 90

Oct 04, 2019

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