Manga Directory -- O

A school girl who can see ghosts picks up a manga someone left on her desk. She flips open to a random page with the words "Those who read to this point in my manga will die without fail on the same day -- Hamami". It's now a race against the clock to break curse and save her own life...with the help of a friendly (?) ghost that fell in love with her at first sight.

Oneshot

Sep 18, 2018

Oujisama No Renai Jijyou

High school love has many obstacles... in this case they are mostly amusing.

Oneshot

Jun 06, 2019

Okami Wa Tantei O Tabetai

From Good Girls Scan BL: I have no confidence that I can \"wait\". \"Werewolf Syndrome\" - The spontaneous onset of a strange disease. Those who are affected present symptoms such as attacking and devouring humans. In this world, this is merely an urban legend, but, 10 years ago, Reito\'s brother was killed by a werewolf. Since then he has spent his life as a lone detective in order to expose the truth behind werewolves. Under such circumstances, he meets his estranged nephew for the first time in 10 years. Reito was briefly surprised to see that Yoru, who used to be a crybaby, is now a dashing university student who towers over him. Shortly after, Yoru suggests that Reito should hire him in the detective agency...?!

Chapters 1

Feb 14, 2022

Oyako De Kaiten Sushi Ni Iku Hanashi

A short story about a little girl and her dad getting some sushi.

Jul 03, 2024

OVERLY SENTIMENTAL

Overly Sentimental - Mizushima Rui has a secret... she's a crybaby! One day during class, she storms out of the room to release her tears, but a guy, Azumi Ushio, from her class sees her, the resident "bad boy" and rebel! What will happen with these two?

Chapters 1

Oct 22, 2016

Our Little And Cute Honey

"I want to have a love that's like destiny!", Touya is a pure and honest college student. However, he's misunderstood and made fun of because of his looks, and he's jealous of his popular and handsome best friend, Ichiyo. One day, he falls in love at first sight in the city Shii who turns out to be a guy! "Let's check the body compatibility for now ?" She rushes to the hotel when she's invited, but Touya, who's flustered and clumsy, isn't good at this. The only way to learn about s** between men is with Touya's own body! with Ichiyo who Shii takes with rough treatment!

Chapter 1

Sep 23, 2024

ORIGINAL CHRONICLE MAHOU SHOUJO LYRICAL NANOHA THE 1ST

There's no intro for it...

Vol.2 Chapter 6

Mar 16, 2020

One Day, Suddenly, Like Love

MU: The god that got banished to the mortal world got an offering... Huh...what?! It's a guy?!

Oneshot

Aug 25, 2018

OVUM

From Lililicious: A young woman deals with both parental rejection and her growing feelings for her new roommate.

Oneshot

Oct 23, 2019

ONAJI SORA WO MITEIRU

Rin is always sending messages with her phone and doesn't speak to anyone. Even though she's like that, Taka got interested in her and keeps on following her. But why doesn't she want to look at him...? And who is this mysterious person with whom she always exchanges messages with...?

Chapters 1

Oct 25, 2016

Oh My Ghost Manga

Follow the Supernatural Adventures of Loi the Humand and Maya the ghost~

Chapters 2

Oct 02, 2022

Ookiku Furikabutte - Morning Coffee, Afternoon Milk (Doujinshi)

There's no intro for it...

Ookiku Furikabutte Morning Coffee, Afternoon Milk (Doujinshi) Oneshot

Jul 04, 2020

Okinimesu Mama

There's no intro for it...

Jun 27, 2023

Osanana8

There's no intro for it...

Chapters 3

Oct 12, 2024

Ookiku Furikabutte Dj - Sunlight

Abe x Mihashi

Ookiku Furikabutte Dj Sunlight Oneshot

Jul 04, 2020

Ore No Suki Na Senpai

There's no intro for it...

ch.001

Dec 10, 2018

OVALLY TRAP

Tokunaga-kun, Chiharu Taniyama's classmate and recent neighbor, is always laughing at her, and it annoys her to no end. How can she be cute? Then, she finds a magazine with tips on being popular. Will she get her revenge on Tokunaga?

Chapters 0

Oct 28, 2016

Odoronbaa

The mask of Hannya, a jealous she-devil located in an old antique store, scrutinizes the darkness of men\'s hearts and knows the secrets of all the objects that have been accumulating there since time immemorial. Prepare well because certain death comes at odd times, and whether you are a young man or a tired old man, whatever she finds you, she will take you with her to hell.

Chapters 7

Oct 15, 2024

Oath Of A Knight

There's no intro for it...

Oneshot

Jan 25, 2021

OHISAMA NO TAMAGO

Contents: • Ohisama no Tamago - Bizarre club for UFOers kidnaps new student to be a member. • Kimi no Tonari ni (By Your Side) - In boredom there isn't a single meaning that lies behind each passing day, but that is before two highschool-aged boys stumble upon eachother.... They discuss life and death, and happiness. • Respective Feelings • Epilogue

Chapters 6

Nov 02, 2016

OUJI

There's no intro for it...

Chapters 1

Nov 12, 2016

Only For Your Well-Being

Read manhwa Only for Your Well-Being Ethan let Ruelli become another man’s woman, just for the sake of her happiness. But contrary to what Ethan had willed, Ruelli’s fiancé cruelly pierced her heart, betraying her. Highly grieving, she loses her memories and assumes Ethan to be her fiancé. “I feel like I’ve lived my whole life for nothing.” After someone attempts to murder Ruelli, she comes know that something was wrong. Ethan is dead set to save her, who had been from being abandoned by both her parents and god, to give her everything he can. “Take my hand and run away with me. From your cursed destiny.”

Chapter 8

Aug 10, 2023

Obituaries

Beatriz owned a cartoon series named Buddy, and her brother Mario loved it very much. On his 8th birthday, Mario received a Buddy doll, but he started to act strange ever since. Beatriz realizes that everything bad that started going on with their lives is because of a curse!

Chapters 4

Jan 31, 2023

Obake Yori Kowai Mono

Shuuhei, a reporter for a trashy tabloid magazine, becomes obsessed with Nao-kun, a mysterious amateur ghost-hunting streamer who secretly works as a camboy on the side - and after he attempts to meet Nao in real life, things take a turn for the bizarre when he tries to understand more about the lonely, slutty boy.

Chapters 3

Oct 31, 2025

Obake No Q-Taro

Little Ghost Q-Taro, by Fujiko Fujio, is a Japanese manga about a ghost, Q-Taro who lives with the Ohara family. Q-Taro, also known as Q-chan or Oba-Q, is a mischief-maker who likes to fly around scaring people and stealing food, though he is deathly afraid of dogs. The story is usually focused on the antics of Q-Taro and his friends. The manga was drawn in 1964–1966 by Fujiko Fujio (Fujiko F. Fujio and Fujiko Fujio A) and in 1971–1974 by only Fujiko F. Fujio. An English manga volume was published in Japan as Q the Spook.

Chapters 36

Jan 04, 2026

OUKA RYOU WARS

Takumi is an orphan who just moved into an all boys dorm. He's rooming with his childhood friend, Hikaru and meets up with his childhood sweetheart, Hikaru's twin Kodama. But the twins keep switching on him! Who is he really in love with?

Chapters 1

Oct 21, 2016

OUJI TO KEN

The coldly gleaming crimson sword will protect the life of a prince on the run...

Chapters 0

Oct 21, 2016

Office Lady Who's Bad With Kids And A Quiet Grade Schooler

SpoilerThey don't match their appearances.

Oneshot

Jul 10, 2020

Orange Cider Evergreen

Pairing: Levi x Eren The daily high school life of Levi and Eren

Oneshot

Jul 06, 2019

Ore, Tsushima

Come enjoy this slice of life comedy manga about a man and his many cats! https://twitter.com/tsushimacat

Vol. 1 Ch. 0.1 Prologue

Feb 27, 2021

ORANGE SWEET OLIVE BLOSSOMS

From Lililicious: Kaho struggles with her conflicting feelings towards her "princess."

Chapters 0

Oct 20, 2016

Office Lady Akagi-san And High-schooler Shoukaku-san

A very cute alternate reality story about these two aircraft carriers.

Ch.1

Feb 13, 2017

One Flower

There's no intro for it...

Oneshot

Jun 28, 2019

Ooi! Tonbo

The story begins with Igarashi, who was disqualified as a pro golfer after a certain \"incident\" and thus moves to Kagoshima Prefecture\'s Tokara Islands to step out of the limelight. On these islands known as \"Japan\'s last unexplored wilderness,\" he encounters a naive girl named Tonbo. As it turns out, these supposedly unexplored islands have a homemade golf course, where Tonbo plays every day. She demonstrates genius-level prowess, playing every kind of shot with just one golf club, a 3-iron. Igarashi is amazed at Tonbo\'s talent, even as he harbors doubts about her only using a 3-iron. Yet, hidden deep in Tonbo\'s heart lies a painful, sad past….

Chapters 8

Jan 15, 2026

OMOI NO KISETSU

The 2nd story in Yuri Tengoku Anthology. "Omoi no Kisetsu" is about what happens when two nuns-in-training are discovered to be having a relationship with each other. Type

Chapters 0

Oct 20, 2016

Okinodoku-Sama, Kyou Kara Kimi Wa Ore No Tsuma

"Well then, how much will you pay to have me?" - Office worker Sumika has lived in perpetual mourning since losing Haruki, her first love who once lifted her out of the grief of losing her only family. A friend from work drags her out to a party, and there she meets Mr. Katsuragi, the vice president of the company hosting the party. It ought to be their first time meeting... and yet, he gives off the impression of already knowing Sumika very well. On top of that, just when Sumika is at her wits' end trying to think of a way to save the family that took her in, Mr. Katsuragi offers to buy her hand in marriage...?

Chapter 6

Sep 14, 2024

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