One Piece

Đảo Hải Tặc, Vua Hải Tặc, OP

Otome Game Sekai wa Mob ni Kibishii Sekai desu

Trapped in a Dating Sim: The World of Otome Games is Tough for Mobs, Otomege Sekai wa Mob ni Kibishii Sekai desu, Mobseka, Mobuseka

Orion và Bóng Tối

Orion and the Dark

Ore dake Haireru Kakushi Dungeon

The Hidden Dungeon Only I Can Enter, Special training in the Secret Dungeon

Onegai☆Twins

Please Twins!

Ochikobore Fruit Tart

Dropout Idol Fruit Tart, OchiFuru

Ookiku Furikabutte: Natsu no Taikai-hen

Big Windup! 2, Oofuri, Big Windup! 2, Swing Big! 2, Ookiku Furikabutte 2, Ookiku Furikabutte The Summer Tournament Chapter

Ouran Koukou Host Club

Ouran High School Host Club, Ohran Koko Host Club, Ouran Koukou Hosutobu, Ouran Koukou Host Bu, OHSHC

Otona no Bouguya-san II

Armor Shop for Ladies and Gentlemen II, Otona no Bouguya-san 2nd Season, Armor Shop for Ladies & Gentlemen 2nd Season

Osomatsu-san

Mr. Osomatsu

One Punch Man 2nd Season

One Punch-Man 2, One-Punch Man 2, OPM 2

Owarimonogatari 2nd Season

Owarimonogatari Second Season, End Story 2nd Season

Oneechan ga Kita

My Sister Came, Onee-chan

One Piece 3D2Y: Ace no shi wo Koete! Luffy Nakama Tono Chikai

One Piece 3D2Y: Vượt qua cái chết của Ace! Lời hứa của Luffy với những người bạn!, One Piece 3D2Y: Overcoming Ace's Death! Luffy's Pledge to His Friends

Orient: Awajishima Gekitou-hen

Orient Part 2

One Piece Film: Z

One Piece Film Z, One Piece Movie 12

Ong Vàng Phiêu Lưu Ký

Bee Movie

One Piece: Umi no Heso no Daibouken-hen

One Piece Special: Adventure in the Ocean's Navel

One Piece: Phần Về Biển Đông

One Piece: Episode Of East Blue

Owari no Seraph

Seraph of the End: Vampire Reign

Ookami to Koushinryou II: Holo no Short Anime

Spice and Wolf II Specials, Ookami to Koushinryou 2 Specials, Spice and Wolf 2 Specials

Oda Nobuna No Yabou

The Ambition of Oda Nobuna, Tham Vọng Của Oda Nobuna

Oniichan no Koto nanka Zenzen Suki ja Nai n da kara ne!!

Because I Don't Like My Big Brother at All!!, Oniichan no Koto nanka Zenzen Suki Janain Dakara ne!!, Onisuki

Onimusha

Onimusha

Oemojisangjuui

Lookism

One Punch Man: Road to Hero OVA

One Punch Man OVA, One Punch-Man OVA, One-Punch Man OVA

Ore no Imouto ga Konna ni Kawaii Wake ga Nai 2

Oreimo 2, My Little Sister Can't Be This Cute 2, Ore no Imouto ga Konnani Kawaii Wake ga Nai.

Onizuka Thầy Giáo Vĩ Đại Phần 1

GTO: Great Teacher Onizuka

Ookami Shoujo to Kuro Ouji

Wolf Girl & Black Prince, Ookami Shoujo to Kuroouji

Oshiete Hokusai! The Animation

Teach Me, Hokusai!

Otome wa Boku ni Koishiteru: Futari no Elder The Animation

Otome wa Boku ni Koishiteru 2, Otoboku 2, Otome wa Onee-sama ni Koishiteru, The Maiden is Falling in Love With the Elder Sister

One Piece: Mamore! Saigo no Dai Butai

One Piece TV Special 3, One Piece Special: Protect! The Last Great Performance, Mamore! Saigo no Oobutai

Owaranai Seraph: Nagoya-hen

Seraph of the Endless: Battle in Nagoya, Owari no Seraph Omake Anime, Owari no Seraph: Owaranai Seraph

Ojisan to Marshmallow: Hige-san to Yume Mashmallow

Ojisan to Marshmallow: Hige-san to Yume Mashmallow, Ojisan and Marshmallow Episode 13: Hige-san and Marshmallow

Omamori Himari

Protective Charm Himari, OmaHima

One Piece Movie 06: Omatsuri Danshaku to Himitsu no Shima

One Piece: Baron Omatsuri and the Secret Island