Manga Directory -- O

From Storm in Heaven:The story begins in Europe, during the first years of the XX century. On a background of intrigues, machinations and a Europe that is going strait toward World War I, three kids meet at a strict conservatory in Germany. Julius met Isaac at the famous Orpheus' Window and later in another event met Klaus there. The legend told that two lovers met at Orpheus' Window would end in unhappiness. But Julius met two different persons, and they didn't know Julius' secret. In fact, Julius is a woman who's forced to dress up and pretend to be a guy. But she isn't the only one who has secrets. Klaus, for example, is Russian. Is he a communist spy? Then the whirlwind of fate began.

Vol.3 Ch.pages 028-055

Nov 25, 2016

Otousan's Short Story: Little Witch Tries To Fly With A Broom

There's no intro for it...

Ch. 1

Sep 30, 2019

Ore No Imouto Ga Konna Ni Kawaii Wake Ga Nai - Watashitachi Kyoudai Dakedo Kekkonsuru Koto (Doujinshi)

There's no intro for it...

Ore no Imouto ga Konna ni Kawaii Wake ga Nai Watashitachi Kyoudai Dakedo Kekkonsuru Koto (Doujinshi) Oneshot

Mar 04, 2020

OTTORI SOUSA

The story is about a Detective named Akiba who crosses paths with a High School Idol named Mizuho. He was assigned to protect her. But he's also a young detective and a bit unorthodox. For the first two volumes Mizuho ends up getting involved in Akiba's other cases but eventually it progresses into a friendship (and eventually a relationship??).

Chapters 2

Apr 30, 2026

Onsen De Himitsu No Otomari, 241 Kaime

For 20 whole years, Ishida and Kimura have been meeting each other once a month, for a weekend in the hot springs, at first as carefree students on their bikes, later - as professionals with busy work schedules, always as friends, month after month. 241 trips. Except, their trips are a secret. Except, neither of them ever married, and nor do they feel lonely because of it. Except, there are unsaid things between them that want to be said...

Chapters 2

May 15, 2025

Oni To Tengoku Kyuu

There's no intro for it...

Chapters 6

Oct 28, 2024

Obaa-chan No Poi

There's no intro for it...

Oneshot

Dec 18, 2019

OL And Ghost Arm

There's no intro for it...

Ch. 1

May 21, 2020

OTOSHITE APPLI GIRL

Kurose Urumi, an antisocial woman, just became a new teacher. On the first day of her job, she arrives in an empty classroom with a single laptop. Suddenly, a girl materializes out of the laptop, claiming to be her student, and explaining her job as a teacher is to “download the other students and help them graduate!” Kurose reluctantly agrees to the task, and slowly finds out that her job may be fun after all.

Chapters 12

Nov 04, 2016

ORICHALCUM REYCAL

Sakugi Mitsuaki is a poor college student who gets hooked on figure modeling. In return for helping his class he receives some special putty -- but the figure he builds with it suddenly comes to life. The figure is a life force called Orichalcum ("Oriharukon") that fulfills the wish of its creator. Their strange life together begins

Chapters 6

Oct 29, 2016

Osananajimi No Onna No Ko

There's no intro for it...

Dec 04, 2024

OBRIGADO!

Collection of various oneshots by Katou Shinkichi.

Chapters 9

Oct 22, 2016

OWATTE MIRU NO MO WARUKUNAI

Boys chase after the popular girl, Nao (with big breasts), but Nao has only ever had her eyes on her childhood friend—Akio. Depending on Akio, her first love could be a sweet story, or simply a prologue to a new beginning.

Chapters 1

Nov 04, 2016

ONNANOKO PLAY

Junichi Sasaki joins his school's drama club upon entering high school. However, he soon finds himself dressing up as a girl for his first stage performance.

Chapters 3

Oct 22, 2016

OMUKAE DESU

Madoka is a high school student who is recruited by Nabeshima — the guy in the bunny suit — to work for the GSG (Gokuraku So Gei, a transportation service to heaven). Nabeshima is just way too busy, and since Madoka seems to have the power to see lost souls, he's recruited to help lighten the workload. Madoka is given the job of transporting wandering souls to the afterlife — on motorcycle! But many of the dead are reluctant to leave this world, feeling they haven't accomplished everything they should have in their lives. Madoka must assist the deceased in performing tasks that will help them finally feel closure and make them willing to leave everything behind for good.

Chapters 11

Aug 19, 2024

OddOnes

A wasteland infested with giant mutated insects, Dep the Protagonist explores the shell of the former peaceful world he once knew, now wanders alone, facing bandits, cults, military, and people with mental problems, it\'s not a safe world....

Chapters 5

May 04, 2026

Ore Wa Busamen: Nekotsuzuri

From Ikemen Scans: Busamen is a stray cat who's ugly and loves women, but inside is cool and handsome(!?) On the other hand there's Ikemen, a prideful and beautiful cat (but he's cowardly). Which one will be the most popular among pretty women? Watch their fight unfold!

Vol. 1 Ch. 8.5 Twitter bonuses

Nov 29, 2018

Ookiku Furikabutte Dj - Retour

Tajima x Mihashi

Ookiku Furikabutte Dj Retour Oneshot

Jul 04, 2020

Oh, My Goddess

"Goddess Yakran! You will love the man you cursed!" When Goddess Yakran curses a human for betraying her, she is punished by the Emperor of the Heavens to be reborn as a human slave. During her life as the palace slave "Ari", she happens to meet the very prince she cursed. Will they find true love and break the curse they are in?

Chapter 42.5

Aug 30, 2024

Orange X Dreamin Sun

A series of 10 episodes from the Orange x Dreamin sun crossover that Takano-sensei published on her Instagram (@ichigotakano111).

Orange x Dreamin' Sun Omake

Nov 10, 2020

OUJI-SAMA GAME (KIRISHIMA RIRA)

From MangaHelpers: Takahashi Kiji is an attractive, popular, student council president, but he and his two closest friends are bored. Kiji comes up with a game, "The Prince Game." The goal is to bring the worst girl ever to his birthday party in a month. Kiji begins trying to romance the friendless, round-shouldered, weepy Asahi Mabi, who has just been through a harsh breakup. To his surprise, Mabi does not immediately swoon into his arms. Instead, she seems to be a human being, with her own thoughts and goals. She is uncomfortably good at seeing through some of his act. Seducing Mabi requires getting to know her, which is dangerous when his intention is for her to end up in tears...

Chapters 4

Nov 11, 2016

ORDINARY

Two assassins met - Imari Matoba, Yayoi Kawaguchi one lost his master and they part. - "We'll help each other out if we're in trouble." - I have no intention of needing the help of an assassin. What does Fate have in store for them in the future? Will they meet again? As enemies or allies?

Chapters 4

Oct 26, 2016

ORE ALICE - DANJO GYAKUTEN

From TZA: One afternoon, while Makoto is at a library reading a picture book with his younger sister, he is transported into the picture book. When he wakes up, he finds himself inside the world of Alice in Wonderland and that he has become Alice! In order to return home, Makoto learns that he has to defeat the King of Hearts, and so begins a journey to the King of Hearts’ castle.

Chapters 2

Nov 04, 2016

ORANGE KISS

From Ivyscan: Consists of 5 short stories. 1. Orange Kiss Kijima Aka had a dream. In the dream, she and an orange haired boy kissed under the setting sun. And that boy just so happens to be the guy who's in the same class as her, Shimizu! She always thought Shimizu had some kind of grudge against her because he seems to hate her. Will Aka's dream become reality? 2. Happy Words The story of the past of the main characters, Saiko and Ichi, from "No. 1 Girl" in the tankubon Caramel Milk Tea. 3. Last Train Under the Night Sky Kanama and Andou met in the train by morning and became closer. However, she is troubled by Andou's expression and decides something is wrong. She follows him only to find the last train under the night sky.... and also someone. 4. More Orange Kiss A short read about Shimizu's point of view about Kijima Aka, the girl who glares at him. 5. Another Usami's Biography A biography of the author.

Chapters 4

Oct 28, 2016

Oshio Yami Ochi Saseta Mamahaha Ni Narimashita

Akari, who possessed the body of her favorite character\'s stepmother. While she was delighted to see her beloved character in their adorable childhood up close, she realized that she herself is the stepmother \'Elena,\' the person responsible for causing the character to fall into darkness. Determined to avoid the character\'s descent into darkness and make them happy, Akari faces numerous challenges as the misdeeds of Elena before the possession come back to haunt her. Will she be able to make her favorite character happy

Chapters 2

Jan 21, 2025

One Day In The Life Of Ivan Dejavu

A collection of short stories: One Day In The Life of Ivan Dejavu - Business Jump (Shueisha) 1986 March Fangs of the Sea - Weekly Shounen Jump (Shueisha) 1979 January 25th Extra Edition Emperor of Winter - Young Magazine (Kodansha) 1996 July Alice (Part 1) - Comic Tom (Shio Shuppansha) 1985 August Alice (Part 2) - Comic Tom (Shio Shuppansha) 1985 September Alice (Part 3) - Comic Tom (Shio Shuppansha) 1985 October Hunters at Dawn - Weekly Shonen Jump (Shueisha) 1976 Issue 28 Lightning Strike - Monthly Shounen Jump (Shueisha) 1975 August A Tale of Seven Cities, Battle of Pell Strait, Extra Chapter - Tanaka Yoshiki Doku-hon (Hayakawa Shobo), 1994 September 30th

Vol. 1 Ch. 9 A Tale of Seven Cities Battle of Pell Strait, Extra Chapter

Nov 11, 2019

On The Top Of The Stars

Chapter 20:

Dec 21, 2019

Oukoku No Kagi

A new series debuts from renowned fantasy manga artist Kyoko Shitou! After a king and his eldest son die, the kingdom of Laudere is left without a ruler. Asta, the last surviving member of the royal family, stands in line for the throne. But before he can claim it, he must fulfill a quest: find the legendary \"Key to the Kingdom.\" Both ancient beasts and a variety of contenders — including a princess, a dimwitted military captain, and a villainous aristocrat — imperil his journey. Someone will find the Key, but will it be Asta? source: https://www.mangaupdates.com/series/q9kawc2/oukoku-no-kagi

The Key To The Kingdom Vol.6 Chapter 25

Feb 11, 2024

OHISAMA COMPANY

From Perfect Illusions: Asahi, a girl, falls for Kaoru, a music freak, who happens to be oblivious to girls. At the moment, he has his heart set on buying his dream guitar but isn't old enough to hold a stable job. Asahi agrees to help him buy this guitar because she wants to get closer to him and give him the chance to get to know her. Will he be able to break his sole love for guitar and give Asahi the chance?

Chapters 4

Oct 21, 2016

OHANA MOYOU NO ONE-PIECE

Tomboyish Ayuka is in love with her childhood friend Sakamoto. At the start of her third year of middle school she meets a new friend Sally-chan. Sally-chan also seems to have feelings for Sakamoto. Will Ayuka have the courage to confess her feelings or will Sally-chan beat her to it?

Chapters 4

Oct 28, 2016

Only One Magazine

Jin Youngwon was an unregistered sentinel (something like esper) who had not used his powers when he was forced to join a special branch of the military. There he meets Myung Haejun, an A-class guide captain, who had guided him in the past. Youngwon had sworn not to use his sentinel powers again after being traumatized the day they first manifested. But the military higher-ups have ordered Haejun to prepare Youngwon for battle. On one such day, an air raid siren triggers Youngwon’s trauma from seven years ago ...

Chapters 3

Mar 10, 2025

Omniscient

Deemed intellectually disabled from birth, Huang Ji, a backwoods country kid, somehow achieves complete omniscience. He feels the universe’s malice, sensing humanity’s dire predicament everywhere— Humans were unknowingly being controlled by aliens, secretly trafficked by fellow “human collaborators” worshipping their extraterrestrial overlords, all while the apocalypse looms! As the one, true all-knowing being, Huang Ji decides to take on the monumental task of saving humanity, vowing to carve a place for mankind within this Cosmic Alliance!

Chapters 1

Dec 14, 2024

OKAERI WA KOCHIRA

Daiki comes home from a luxurious life in Tokyo to find that his childhood friend, Tetsu, has grown into a strong and surly young man. Daiki's struggle with belonging becomes even more complicated when Tetsu harbors strange feelings toward Daiki!

Chapters 0

Oct 28, 2016

Only I Was Turned Into The Demon Lord’s Pet After Being Pulled Into Another World?!

A young man is reincarnated, but without a talent. In the fight with the demon lord, his party loses, but the demon lord decides to keep him as a pet.

Nov 11, 2024

OSHIMARO THE LEGEND OF SAMURAI

Oshimaro is a problematic and selfish young boy who one day encounters a certain creature that would lead him to a whole new world of adventure, with friends that he will meet along his path, Oshimaro will be destined to save an ancient race called Shatins.

Chapters 5

Oct 29, 2016

ORANGE BUBBLE GUM

From Wataame Shoujo: Yoo-i is a very special girl -- she's like refreshing and fragrant orange bubble gums... A boy appears all of a sudden and becomes a natural part of her life, as natural as breathing air... His name is Joo-in. He says, "Do you know nuna? Nuna is.. my past, my present, and my future... You are like this ladder connecting me to this world..."

Chapters 5

Oct 21, 2016

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