Manga by Initial Alphabetic:O

Onepunch-Man

Genre: Action ; Comedy ; Fantasy ; Mature ; Mystery ; Psychological ;...
View: 103,240,483 views
Author: One;Murata Yuusuke

Chapter 159.1 Mar 10, 12:01
Chapter 159 Mar 10, 12:01

One Piece

Genre: Action ; Adventure ; Comedy ; Drama ; Fantasy ; Shounen
View: 101,187,167 views
Author: Oda Eiichiro

Chapter 1048 May 03, 09:30
Chapter 1047 May 03, 05:30

Omniscient Reader’S Viewpoint

Genre: Action ; Adventure ; Fantasy ; Webtoons
View: 39,769,479 views
Author: Sing Shong

Chapter 99 Mar 21, 16:01
Chapter 98 Mar 21, 16:00

Other World Warrior

Genre: Action ; Adventure ; Comedy ; Drama ; Fantasy ; Shounen
View: 38,125,951 views
Author: Keum Ho

Chapter 200 2 days ago
Chapter 199 2 days ago

Overgeared

Genre: Action ; Adventure ; Fantasy
View: 37,573,704 views
Author: Dong Wook Lee

Chapter 110 Jan 10, 23:30
Chapter 109 Jan 03, 11:44

Overlord

Genre: Action ; Adventure ; Comedy ; Drama ; Fantasy ; Harem ;...
View: 25,600,770 views
Author: Maruyama Kugane;Miyama Fugin

Chapter 69 Feb 10, 00:00
Chapter 68 Dec 06, 23:30

Overgeared (Team Argo)

Genre: Action ; Adventure ; Fantasy ; Shounen ; Webtoons ; Manhwa
View: 22,104,562 views
Author: Dong Wook Lee;Team Argo

Chapter 127 May 10, 12:31
Chapter 126 May 10, 12:31

Ore Dake Haireru Kakushi Dungeon: Kossori Kitaete Sekai Saikyou

Genre: Action ; Adventure ; Ecchi ; Fantasy ; Harem ; Shounen
View: 20,109,887 views
Author: Seto Meguru;Note Takehana

Chapter 64 Apr 07, 22:30
Chapter 63 Apr 07, 22:30

Onepunch-Man (One)

Genre: Action ; Adult ; Comedy ; Doujinshi ; Sci fi ; Seinen...
View: 19,989,330 views
Author: One

Chapter 141 Aug 06, 11:39
Chapter 140 Aug 06, 11:39

Ore No Ie Ga Maryoku Spot Datta Ken – Sundeiru Dake De Sekai Saikyou

Genre: Action ; Adult ; Comedy ; Ecchi ; Fantasy ; Harem ;...
View: 18,453,766 views
Author: My House Is A Magic Power Spot;俺の家が魔力スポットだった件~住んでいるだけで世界最強~

Chapter 125 Mar 31, 04:31
Chapter 124 Mar 31, 04:31

Out (Makoto Mizuta)

Genre: Action ; Adult ; Adventure ; Ecchi ; Seinen ; Slice of...
View: 16,779,466 views
Author: Tatsuya Iguchi;Makoto Mizuta

Chapter 206 Apr 07, 22:30
Chapter 205 Apr 06, 22:31

Oversimplified Scp

Genre: Horror ; Martial arts ; Psychological ; Sci fi ; Supernatural
View: 15,968,427 views
Author: Scp Foundation Writers;松(A・typecorp.)

Chapter 173 Dec 30, 17:58
Chapter 172 Dec 30, 17:58

Ore No Genjitsu Wa Ren'ai Game?? Ka To Omottara Inochigake No Game Datta

Genre: Drama ; Ecchi ; Mature ; Mystery ; Psychological ; Shounen ;...
View: 15,387,935 views
Author: Pon Jea;Waruiotoko;Nashyu

Chapter 53.1 Apr 20, 01:30
Chapter 53 Apr 20, 01:00

Otome Game No Hametsu Flag Shika Nai Akuyaku Reijou Ni Tensei Shite Shimatta...

Genre: Comedy ; Fantasy ; Harem ; Romance ; Shoujo ; Slice of...
View: 12,806,592 views
Author: Yamaguchi Satoru

Chapter 47 May 03, 01:00
Chapter 46 Apr 06, 05:30

Oyasumi Punpun

Genre: Action ; Adult ; Comedy ; Drama ; Psychological ; Seinen ;...
View: 12,325,700 views
Author: Asano Inio

Chapter 147 Aug 08, 09:24
Chapter 146 Aug 08, 09:24

Otome Danshi Ni Koisuru Otome

Genre: Comedy ; Romance ; School life ; Shoujo
View: 11,267,181 views
Author: Shimazaki Mujirushi

Chapter 604 Aug 08, 13:01
Chapter 603 Aug 08, 13:01

Oroka Na Tenshi Wa Akuma To Odoru

Genre: Action ; Adventure ; Comedy ; Ecchi ; Romance ; School life...
View: 11,143,916 views
Author: Azuma Sawayoshi

Chapter 57.5 Mar 23, 09:03
Chapter 57 Mar 23, 09:03

Ojousama No Shimobe

Genre: Comedy ; Ecchi ; Harem ; Romance ; School life ; Shounen...
View: 11,028,841 views
Author: Hoshino Taguchi

Chapter 89 23 hours ago
Chapter 88 yesterday, 11:30

Ookii Onnanoko Wa Daisuki Desu Ka?

Genre: Adult ; Comedy ; Ecchi ; Harem ; Romance ; School life...
View: 10,772,347 views
Author: Aizome Gorou

Chapter 60 Feb 14, 17:31
Chapter 59 Dec 13, 23:31

Origin

Genre: Action ; Adult ; Drama ; Ecchi ; Mature ; Sci fi...
View: 9,288,319 views
Author: Boichi

Chapter 87.5 Aug 08, 07:26
Chapter 87 Aug 08, 07:26

Only Sense Online

Genre: Adventure ; Comedy ; Fantasy ; Gender bender ; Shounen
View: 8,630,441 views
Author: Aloha Zachou;Hani Kuraun

Chapter 77 Mar 03, 12:01
Chapter 76 Feb 27, 06:30

One Sword Reigns Supreme

Genre: Action ; Adventure ; Fantasy
View: 8,318,783 views
Author: 二次元动漫

Chapter 219 Apr 17, 08:01
Chapter 218 Apr 14, 01:02

Ore To Kawazu-San No Isekai Hourouki

Genre: Action ; Adventure ; Comedy ; Fantasy ; Shounen ; Slice of...
View: 8,217,358 views
Author: Kuzumochi;Kasa

Chapter 40 Aug 06, 21:43
Chapter 39 Aug 06, 21:43

Otherworldly Evil Monarch

Genre: Action ; Adventure ; Harem ; Webtoons
View: 7,739,949 views
Author: Fengling Tianxia

Chapter 183 Jan 06, 21:26
Chapter 182 Sep 26, 05:26

One Step Toward Freedom

Genre: Action ; Adventure ; Comedy ; Webtoons
View: 7,670,084 views
Author: Cai Jian;Zhang Yue

Chapter 393 Feb 11, 04:01
Chapter 392 Feb 11, 04:01

Of Course, I'll Claim Palimony!

Genre: Comedy ; Drama ; Fantasy ; Romance ; School life ; Shoujo...
View: 7,603,775 views
Author: Tamura Muto;Soy

Chapter 17.3 Jan 13, 01:30
Chapter 17 Dec 30, 14:44

Okusama Ga Seito Kaichou!

Genre: Adult ; Comedy ; Ecchi ; Harem ; Mature ; Romance ;...
View: 7,411,080 views
Author: Nakata Yumi

Chapter 69.5 Aug 08, 22:03
Chapter 69 Aug 08, 22:03

Outrageous Princess

Genre: Romance
View: 6,754,469 views
Author: Guqiang

Chapter 203 Aug 08, 20:39
Chapter 202 Aug 08, 20:39

Otome No Teikoku

Genre: Comedy ; Ecchi ; Mature ; School life ; Seinen ; Yuri
View: 6,741,552 views
Author: Kishi Torajirou

Chapter 243.5 Mar 18, 11:31
Chapter 243.04 Mar 18, 11:31

Osananajimi Ni Najimitai

Genre: Comedy ; Drama ; Romance ; School life ; Seinen
View: 6,684,617 views
Author: Araido Kagiri

Chapter 24 Aug 06, 20:58
Chapter 23 Aug 06, 20:58

Okusama Wa Joshi Kousei

Genre: Adult ; Comedy ; Ecchi ; Mature ; Romance ; School life...
View: 6,441,197 views
Author: Kobayashi Hiyoko

Chapter 143 Aug 08, 21:43
Chapter 142 Aug 08, 21:43

Otoyomegatari

Genre: Comedy ; Drama ; Historical ; Romance ; Seinen ; Slice of...
View: 6,365,758 views
Author: Mori Kaoru

Chapter 102 7 hours ago
Chapter 101 Mar 07, 19:00

Ouji-Sama Nante Iranai

Genre: Comedy ; School life ; Shoujo ai ; Slice of life
View: 6,357,879 views
Author: Harushion

Chapter 200 Aug 08, 20:15
Chapter 199 Aug 08, 20:15

Ore Wo Suki Nano Wa Omae Dake Ka Yo

Genre: Comedy ; Romance ; School life ; Shounen
View: 5,965,460 views
Author: Rakuda (駱;駝;);[Add]

Chapter 42 Aug 08, 15:11
Chapter 41 Aug 08, 15:11

Otome No Harawata Hoshi No Iro

Genre: Adult ; Cooking ; Ecchi ; Harem ; Romance ; School life...
View: 5,896,612 views
Author: Yuhra Ishito

Chapter 12 Jan 23, 22:30
Chapter 11 Jan 17, 03:30

Onizuka-Chan And Sawarida-Kun

Genre: Comedy ; Romance ; School life ; Shounen ; Slice of life
View: 5,850,284 views
Author: Kaihei Nakahara

Chapter 49.5 Aug 06, 21:32
Chapter 49 Aug 06, 21:32

Okusan

Genre: Comedy ; Ecchi ; Mature ; Romance ; Seinen ; Slice of...
View: 5,765,188 views
Author: Ooi Masakazu

Chapter 123 Feb 14, 05:31
Chapter 122 Dec 03, 05:31

Onii-Chan Is Done For

Genre: Comedy ; Gender bender ; Sci fi ; Slice of life
View: 5,721,241 views
Author: Nekotoufu

Chapter 62 Mar 28, 07:00
Chapter 61 Feb 28, 11:31

Older Elite Knight Is Cute Only In Front Of Me

Genre: Comedy ; Romance ; Seinen
View: 5,685,699 views
Author: Yosuke Yoshino;Takata

Chapter 21.3 Feb 25, 04:30
Chapter 21.2 Feb 03, 02:30

One Piece - Digital Colored Comics

Genre: Action ; Adventure ; Comedy ; Drama ; Fantasy
View: 5,311,367 views
Author: Oda Eiichiro

Chapter 763 Aug 08, 21:33
Chapter 762 Aug 08, 21:33

Oresama Teacher

Genre: Action ; Adult ; Adventure ; Comedy ; Cooking ; Drama ;...
View: 5,296,642 views
Author: Tsubaki Izumi

Chapter 160 Aug 08, 21:57
Chapter 159 Aug 08, 21:57

On The Emperor's Lap

Genre: Drama ; Fantasy ; Josei ; Shoujo ; Sports ; Webtoons ;...
View: 5,251,821 views
Author: Updating

Chapter 106 Jan 06, 15:52
Chapter 105 Dec 30, 16:16