Action

Okashi shokunin no nariagari ~Tensai Patishie no ryouchi keiei~

Okiraku Onna Madoushi to Maid Ningyou no Kaitakuki

Okiraku Ryoushu no Tanoshii Ryouchi Bouei ~ Seisan-kei Majutsu de Na mo Naki Mura wo Saikyou no Jousai Toshi ni ~

Omae Gotoki ga Maou ni Kateru to Omou na to Yuusha Party o Tsuihou Sareta node, Outo de Kimama ni Kurashitai

Omae ni wa Sainou ga Nai to Tsugerareta Shoujo, Kaibutsu to Hyou Sareru Sainou no Mochinushi Datta

Omae no Youna Shoshinsha ga iru ka! Fuguushoku Shoukan-shi Nanoni Last Boss to Iwarete Iru soudesu

Omniscient Reader’s Viewpoint

One Operation Joker

One Piece

One Punch-Man