Shounen Manga

Action , Adventure , Comedy , Drama , Fantasy ,... Status: Ongoing Ochikobore Kuni O Deru ~ Jitsuwa Sekai De 4 Hitome No Fuyo-Jutsu-Shidatta Kudan Ni Tsuite ~ Chapter 50

Action , Ecchi , Harem , Romance , Shounen ,... Status: Completed Oda Nobuna no Yabou Chapter 9.2

Action , Fantasy , Shounen , Webtoons Status: Ongoing Odin Chapter 9

Action , Adventure , Comedy , Martial arts , Shounen Status: Ongoing Of Machines And Beasts Chapter 43

Comedy , Shounen , Slice of life Status: Ongoing Off-Kai Shitara Tondemonai Yatsu Ga Kita Hanashi Chapter 14.5

Comedy , Fantasy , Romance , Shoujo , Shounen ai Status: Ongoing Offense And Defense In Daites Chapter 15

Comedy , Romance , School life , Shounen , Slice of life ,... Status: Ongoing Ogami Tsumiki To Kinichijou. Chapter 44

Action , Shounen Status: Completed Oguna - Opera Susanoh Sword of the Devil Chapter 3

Action , Comedy , Drama , Fantasy , Horror ,... Status: Ongoing Oh My Ghost Webcomic Chapter 6

Adventure , Doujinshi , Shounen ai Status: Ongoing Oh! Holy Chapter 141

School Life , One shot , Shounen Ai Status: Completed Oh! My Sweet Baby!!! Chapter 0

Fantasy , Comedy , Shounen Ai Status: Completed Ohana no Oujisama Chapter 3

Comedy , Shounen , Webtoons Status: Ongoing Ohapasu Chapter 3

Romance , One shot , Shounen Ai Status: Completed Ohisama no Tamago Chapter 6

Fantasy , Supernatural , Comedy , Shounen Ai Status: Completed Oinarisama no Honey Bunny Chapter 12.5

Action , Adventure , Comedy , Fantasy , One shot ,... Status: Completed Oingo Boingo Brothers Adventure Chapter 152

Shounen , Shoujo , Comedy , Sports Status: Completed Oira Houkago Wakadaishou Chapter 12.5

Comedy , Cooking , Fantasy , Romance , Shounen ,... Status: Ongoing Oishii Ayakashi Chapter 1

Shounen Status: Completed Oishii Kamishama Chapter 39

Action , Adventure , Comedy , Cooking , Doujinshi ,... Status: Ongoing Oita Ga Sugiru Wa Koneko-Chan Chapter 5

Comedy , Horror , Romance , School life , Shounen ,... Status: Ongoing Ojama Yuurei-Kun Chapter 30.2

Comedy , Fantasy , Romance , Shounen , Slice of life Status: Ongoing Ojiichan Shinanai Chapter 27

Ecchi , Shounen , Supernatural , Comedy , Mystery Status: Completed Ojiichan Wa Shounen Chapter 34.5

Ecchi , Romance , Shounen , Supernatural , Comedy ,... Status: Completed Ojiichan wa Shounen Tantei Chapter 35

Ecchi , Harem , Romance , Shounen , School Life ,... Status: Ongoing Ojousama no Shimobe Chapter 143

Romance , Shounen , School Life , Supernatural , Comedy Status: Completed Ojousama to Youkai Shitsuji Chapter 4

Drama , School Life , Shounen Ai Status: Completed Oka no Ue no Rakuen Chapter 0

Drama , Gender bender , School life , Shounen , Slice of life Status: Ongoing Okaeri Alice Chapter 40.5

One shot , Shounen Ai Status: Completed Okaeri wa Kochira Chapter 0

Mystery , Psychological , Shounen Status: Ongoing Okitegami Kyouko No Bibouroku Chapter 15

Comedy , School life , Shounen ai , Yaoi Status: Ongoing Oko-Sama Box Chapter 5.5

Comedy , Drama , Romance , School life , Shounen ai ,... Status: Ongoing Oko-Sama Star Chapter 15.1

Romance , Comedy , Shounen Ai Status: Completed Okome-chan Chapter 8

Drama , Slice of Life , Shounen Ai Status: Completed Okubyou na Koi Chapter 2

Shounen ai , Yaoi Status: Completed Okujou Fuukei Chapter 8

Drama , Romance , School life , Shounen Status: Completed Okujou Hime Chapter 21

Drama , School Life , Shounen Ai Status: Completed Okujou no Bai-Bai Chapter 0

Manga , Romance , Shounen , Drama , School Life ,... Status: Completed Okujouhime Chapter 21

Drama , Mystery , School life , Shounen , Supernatural Status: Ongoing Okuru Kotoba Chapter 14

Ecchi , Harem , Romance , Shounen , Comedy Status: Completed Okusama ga Seito Kaichou! Chapter 69.5

Comedy , Fantasy , Romance , Shounen Status: Ongoing Okyu No Trinity Chapter 39

Comedy , School life , Shounen , Sports Status: Ongoing Ole Golazo Chapter 12