Manga by Initial Alphabetic:O

One Piece

Genre: Action,Adventure,Comedy,Drama,Fantasy,Shounen
View: 2,778,182 views
Author: Oda Eiichiro

Chapter 924 Nov 09, 07:24
Chapter 923 Nov 02, 06:30

Onepunch-Man

Genre: Action,Comedy,Drama,Sci-fi,Seinen,Slice of Life,Supernatural
View: 2,776,128 views
Author: One, Murata Yuusuke

Chapter 146 Nov 03, 06:31
Chapter 145 Nov 03, 06:31

Ore ga Ojou-sama Gakkou ni

Genre: Comedy, Ecchi, Harem, Romance, School life, Shounen
View: 209,303 views
Author: Nanatsuki Takafumi, Risumai

Chapter 81 Oct 10, 15:25
Chapter 80 Oct 09, 19:25

Overlord

Genre: Action,Adventure,Comedy,Drama,Fantasy,Harem,Sci-fi,Seinen
View: 197,660 views
Author: Maruyama Kugane, Miyama Fugin

Chapter 42 Nov 04, 19:31
Chapter 41 Aug 31, 13:53

Only Sense Online

Genre: Adventure,Comedy,Fantasy,Gender Bender,Shounen,Slice of Life
View: 146,925 views
Author: Aloha Zachou, Hani Kuraun

Chapter 46 Oct 22, 12:31
Chapter 45 Sep 08, 01:25

Ookami Shoujo to Kuro Ouji

Genre: Comedy,Drama,Romance,School Life,Shoujo
View: 137,303 views
Author: Hatta Ayuko

Chapter 58.5 Apr 23, 22:13
Chapter 58 Apr 23, 22:13

Ookii Onnanoko wa Daisuki Desu ka?

Genre: Adult,Comedy,Harem,Romance,School Life,Seinen
View: 126,135 views
Author: Aizome Gorou

Chapter 39 Oct 20, 17:30
Chapter 38 Oct 19, 23:30

Ookami-heika no Hanayome

Genre: Comedy,Drama,Historical,Romance,Shoujo
View: 118,697 views
Author: Kauta Mato

Chapter 70 Sep 13, 23:24
Chapter 69 Jul 27, 17:30

Origin

Genre: Action,Drama,Mature,Sci-fi,Seinen
View: 117,879 views
Author: Boichi

Chapter 75 Oct 07, 23:24
Chapter 74 Oct 07, 23:24

Ore to Kawazu-san no Isekai Hourouki

Genre: Action,Adventure,Comedy,Fantasy,Shounen,Slice of Life
View: 104,640 views
Author: Kuzumochi, Kasa

Chapter 35 18 hours ago
Chapter 34 Oct 07, 13:25

Oh! Lord Jesus

Genre: Comedy,Romance,School Life,Shoujo,Supernatural,Manhwa,Webtoon
View: 96,748 views
Author: Ah Hyun

Chapter 108 Oct 22, 08:31
Chapter 105 Oct 01, 19:24

Oresama Teacher

Genre: Action,Comedy,Drama,Gender Bender,Harem,Romance,School Life,Shoujo,Slice of Life,Cooking
View: 83,620 views
Author: Tsubaki Izumi

Chapter 128 Aug 17, 17:30
Chapter 127 Aug 17, 17:30

Ouji-sama Nante Iranai

Genre: Comedy,School Life,Shoujo Ai,Slice of Life,Webtoon
View: 81,918 views
Author: Harushion

Chapter 88 Nov 05, 21:30
Chapter 87 Oct 28, 21:30

Okusama wa Joshi Kousei

Genre: Adult,Comedy,Romance,School Life,Seinen
View: 75,623 views
Author: Kobayashi Hiyoko

Chapter 80 Nov 06, 02:30
Chapter 79 Oct 08, 01:24

Oushitsu Kyoushi Haine

Genre: Comedy,Drama,Historical,Shounen,Slice of Life
View: 73,129 views
Author: Akai Higasa

Chapter 59 May 08, 21:48
Chapter 58 May 08, 21:48

Ouroboros

Genre: Action,Drama,Mature,Mystery,Seinen
View: 73,117 views
Author: Kanzaki Yuuya

Chapter 115 Nov 01, 03:16
Chapter 114 Oct 03, 03:25

Orange Marmalade

Genre: Comedy,Drama,Romance,School Life,Shoujo,Supernatural,Webtoon
View: 72,865 views
Author: Seok-woo

Chapter 122 Apr 23, 22:21
Chapter 121 Apr 23, 22:21

Okitenemuru

Genre: Action,Drama,Horror,Mature,Seinen,Supernatural
View: 71,572 views
Author: Renda Hitori

Chapter 69 May 08, 11:04
Chapter 68 Apr 23, 22:45

Otoyomegatari

Genre: Comedy,Drama,Historical,Romance,Seinen,Slice of Life
View: 70,626 views
Author: Mori Kaoru

Chapter 76 3 days ago
Chapter 75 Sep 07, 15:25

Ookami Shounen wa Kyou mo Uso o Kasaneru

Genre: Comedy,Drama,Gender Bender,Romance,School Life,Shounen,Slice of Life
View: 70,383 views
Author: Namo

Chapter 32 Apr 23, 22:13
Chapter 31 Apr 23, 22:13

Okusan

Genre: Comedy,Ecchi,Mature,Romance,Seinen,Slice of Life
View: 70,178 views
Author: Ooi Masakazu

Chapter 83 Nov 12, 13:31
Chapter 82 Nov 05, 21:30

Ouke no Monshou

Genre: Adventure,Drama,Fantasy,Historical,Romance,Shoujo
View: 65,870 views
Author: Fumin, Hosokawa Chieko

Chapter 97 Apr 23, 22:11
Chapter 96 Apr 23, 22:11

Online - The Comic

Genre: Drama,Horror,Psychological,Romance,Shounen
View: 65,708 views
Author: Keropyon, Kyoka Tsukasa

Chapter 111 Nov 10, 22:00
Chapter 110 Oct 19, 18:30

Omoi, Omoware, Furi, Furare

Genre: Comedy,Drama,Romance,School Life,Shoujo
View: 62,960 views
Author: Sakisaka Io

Chapter 31 Sep 16, 01:24
Chapter 30 Jun 03, 19:30

Onepunch-Man (ONE)

Genre: Action,Comedy,Drama,Sci-fi,Slice of Life,Supernatural
View: 62,026 views
Author: One

Chapter 109 Apr 23, 23:06
Chapter 108.2 Apr 23, 23:06

Ousama Game (RENDA Hitori)

Genre: Drama,Horror,Mature,Mystery,Psychological,School Life,Seinen,Supernatural
View: 57,018 views
Author: Kanazawa Nobuaki

Chapter 25 Apr 23, 22:14
Chapter 24 Apr 23, 22:14

Ore Yome. - Ore no Yome ni Nare yo

Genre: Romance,School Life,Shoujo
View: 56,575 views
Author: Sano Airi

Chapter 34 Nov 13, 16:30
Chapter 33 Oct 09, 01:25

Our Relationship Is...

Genre: Comedy,Josei,Romance,School Life,Manhwa,Webtoon
View: 55,481 views
Author: Lee Yun Ji

Chapter 10 Apr 23, 22:11
Chapter 9 Apr 23, 22:11

Ou-sama ni Sasagu Kusuriyubi

Genre: Drama,Josei,Romance,Smut
View: 49,891 views
Author: Watanabe Shiho

Chapter 23 Nov 06, 02:30
Chapter 22 Oct 09, 01:25

Ouran High School Host Club

Genre: Comedy,Drama,Gender Bender,Harem,Romance,School Life,Shoujo,Slice of Life,Cooking
View: 48,691 views
Author: Hatori Bisco

Chapter 160 Apr 23, 22:13
Chapter 83 Apr 23, 22:13

Ookiku Furikabutte

Genre: Comedy,Drama,School Life,Seinen,Slice of Life,Sports
View: 39,631 views
Author: Higuchi Asa

Chapter 142 May 21, 13:40
Chapter 141 May 21, 13:40

Ousama Game

Genre: Adventure,Comedy,Drama,Fantasy,Historical,Romance,Yaoi
View: 38,392 views
Author: Takagi Ryou

Chapter 13 Apr 23, 22:13
Chapter 12 Apr 23, 22:13

Otome no Teikoku

Genre: Comedy,Ecchi,Mature,School Life,Seinen,Yuri
View: 35,501 views
Author: Kishi Torajirou

Chapter 83 Apr 23, 22:48
Chapter 82 Apr 23, 22:48

Onani Master Kurosawa

Genre: Comedy,Drama,Mature,Romance,School Life
View: 31,855 views
Author: Ise Katsura

Chapter 31.5 Apr 23, 22:56
Chapter 31 Apr 23, 22:56

Ocha Nigosu

Genre: Action,Comedy,Romance,School Life,Shounen
View: 31,670 views
Author: Nishimori Hiroyuki

Chapter 109 Apr 23, 22:30
Chapter 108 Apr 23, 22:30

Ore ga Heroine o Tasukesugite Sekai ga Little Mokushiroku!?

Genre: Action,Adventure,Comedy,Drama,Ecchi,Fantasy,Harem,Romance,Sci-fi,Seinen
View: 31,560 views
Author: Hasegawa Kouji, Namekojirushi

Chapter 30 Jul 01, 11:30
Chapter 29 Jun 20, 07:30

Okusama ga Seito Kaichou!

Genre: Adult,Comedy,Ecchi,Harem,Romance,School Life,Shounen
View: 31,083 views
Author: Nakata Yumi

Chapter 52 Nov 05, 15:31
Chapter 51 Oct 25, 17:31

Ookami ni Kuchizuke

Genre: Romance,School Life,Shoujo,Smut
View: 30,229 views
Author: Yagami Rina

Chapter 6 Apr 23, 22:11
Chapter 5.5 Apr 23, 22:11

Omaera Zenin Mendokusai!

Genre: Comedy,Harem,Romance,School Life,Seinen
View: 28,383 views
Author: Tobi

Chapter 38 Oct 13, 10:01
Chapter 37 Sep 15, 13:24

Okane Ga Nai

Genre: Action,Comedy,Drama,Ecchi,Mature,Romance,Yaoi
View: 27,744 views
Author: Shinozaki Hitoyo

Chapter 100.6 Apr 23, 22:44
Chapter 100.5 Apr 23, 22:44

Oyasumi Punpun

Genre: Adult,Comedy,Drama,Mature,Psychological,Romance,School Life,Seinen,Slice of Life
View: 27,365 views
Author: Asano Inio

Chapter 147 Apr 23, 22:25
Chapter 146 Apr 23, 22:25

Omoi no Kakera

Genre: Drama,Josei,School Life,Yuri
View: 26,622 views
Author: Takemiya Jin

Chapter 15.6 Apr 23, 22:53
Chapter 15.5 Apr 23, 22:53