O Maidens in Your Savage Season
When they were little kids laughing and playing together, Izumi Norimoto and Kazusa Onodera were like siblings. But as their bodi...
Oam Monogatari: Sono Natsu, Watashi ga Shitta koto
A tourism promotion anime for Ogaki City in the Gifu Prefecture. It is based on Oam Monogatari, a book about a woman who spent he...
Obake Zukan
The Obake Zukan series illustrates various monsters and spirits and explains why they are scary. (Source: ANN)
Oban Star-Racers
Eva's birthday has just passed, and she hasn't heard from her father. Despising the Boarding School she attends, she escapes usin...
Obey Me!
The anime will depict the lively everyday lives of the demon brothers through special episodes separate from the game’s main stor...
Obey Me! 2nd Season
The charming incarnations of the seven deadly sins—brothers Lucifer, Mammon, Leviathan, Satan, Asmodeus, Beelzebub, and Belphegor...
Oblivion Battery
Haruka Kiyomine and Kei Kaname were once recognized as the most formidable pitcher-catcher duo in middle school baseball. Known a...
Obsolete
In 2014, aliens revealed themselves to request trade with humanity. In exchange for limestone, they would provide a consciousness...
Occult Academy
The story revolves around Maya, the daughter of the former Headmaster of Waldstein Academy, and a time traveling agent Fumiaki Uc...
Occult Academy Specials
Short spin-off episodes included in Blu-ray/DVD volumes of the main series.
Occultic;Nine
A blog disproving the supernatural, co-run by NEET teenager Yuuta Gamon and his enthusiastic best friend Ryouka Narusawa, becomes...
Ocha-ken: Chokotto Monogatari
Ocha-ken is a children's program about tea-dogs and tea-cats, each representing a different blend. The episodes are very short an...
Ocha-ken: Hotto Monogatari
The second Ocha-ken series features the Tea Dogs interacting with humans.
Ochibi-san
"I can help you laugh, but I can't take away the tears you've shed." In Mametsubu-cho, a town somewhere in the ancient Japanese c...
Oda Cinnamon Nobunaga
In the "one-of-a-kind samurai-general-reincarnated-as-a-canine comedy," Nobunaga perishes at Honnouji as in history, and reincarn...
Odd Taxi
In a city which should be familiar, there is the feeling of something a little different. Odokawa is a taxi driver who lives a...
Oedo Fire Slayer: The Legend of Phoenix
The fire extinguishing samurai who stopped the great fire was called "The fire-eating bird". Matsunaga Gengo, once known as the "...
Oedo wa Nemurenai!
We are now in the early 18th century, the Kyouhou era, when the merchant culture was flourishing. In Yoshiwara, the red light dis...
Offside (TV)
Goro Kumagaya is an established, tall middle-school goalkeeper who wanted to enter Yokonan high-school that is considered to be a...
Ogami Matsugorou
Based on the same name manga by Itou Minoru, serialized in Kodansha's Weekly Shounen Magazine.
Ogre Slayer
There was once an ogre (oni) mother who gave birth to a human looking child. Instead of an ogre's horn, this child was born with ...
Oh Boy, Was I Wrong About Her
I met my childhood friend again, and she had become a beautiful and innocent girl."It's been a while, Hayato.""Haruki, is it?"In ...
Oh! Edo Rocket
In Edo in the mid-1800's, fireworks maker Seikichi Tamaya and his friends struggle to live under the harsh morality laws imposed ...
Oh! My Goddess (2011) OVA
OVAs bundled with volumes 42, 43 & 46 of the Aa! Megami-sama! manga.