| Title | Type | Eps. | Score | |
|
noitaminA's 10th anniversary commemoration short special.
| ONA | 1 | 6.98 |
|
Two versions of opening animation for Tensai Banpaku Genius Expo directed by Mirai Mizue.
| ONA | 2 | 5.19 |
|
Special 3-D animated short based on Kirby: Right Back at Ya!. It was released on the Wii channel in Japan. It features the never-before-seen monster named Lobzilla. Fire Kirby makes a special appearan...read more.
| ONA | 1 | 5.92 |
|
Specials aired on Nico Nico Douga and YouTube, later released on BDs/DVDs.
| ONA | 4 | 6.14 |
|
The short takes place at the KDDI R&D laboratory, where scientists are creating a telephone that can call the future, but an incident occurs when they are using the phone. (Source: ANN)
| ONA | 3 | 6.02 |
|
A commissioned anime by the Hawaii Tourism Authority. Jibanyan introduces the attractions of the four main islands of Hawaii. The short features new Hawaiian versions of youkai. The famous locales in...read more.
| ONA | 1 | 5.84 |
|
Akihito Kanbara finds himself in a courtroom and faces an unexpected jury for a peculiar lawsuit. Having turned into chibi idol versions of themselves, Mirai Kuriyama, Mitsuki Nase, and Sakura Inami a...read more.
| ONA | 5 | 6.55 |
|
Three edited ONAs that summarize Valvrave the Liberator 1st season were broadcasted on Nico Nico Live on September 20-22, 2013. They are also were included in BD and DVD limited edition volume one of...read more.
| ONA | 3 | 6.18 |
|
True love never dies—even when it is between a human and a near-immortal youkai. Thankfully, fox spirit youkai have discovered a solution which allows a human to be reincarnated, and with the services...read more.
| ONA | 13 | 7.16 |
|
The shorts follow a cedar tree named Cedric, who falls in love with a human woman. In order to remain with her, he hopes that she will use him to build her home.
| ONA | 3 | 5.45 |
|
On the islands of Cremona, a vigilante runs amok. Celebrated by some and hunted by others, the notorious "Killer B" takes justice into his own hands, armed with a sharp blade and superhuman abilities....read more.
| ONA | 12 | 7.16 |
|
Anime adaptation of the Saiki Kusuo no Ψ-nan manga by Asou Shuichi, telling the story about a male high school student named Kusuo Saiki. He possesses supernatural powers that cause unfortunate events...read more.
| ONA | 1 | 7.16 |
|
Very rarely is a girl born with two distinct souls: one of a human and the other of a kaiju. These extraordinary individuals, dubbed "Kaiju Girls," possess the form of a normal person and the supernat...read more.
| ONA | 12 | 5.96 |
|
Born from the strong emotions of their creators, self-contained pocket dimensions known as Phenomenon have begun forming across Japan. These false worlds overwrite the reality of an affected area and...read more.
| ONA | 34 | 5.85 |
|
Web shorts focusing on each of the 22/7 idols in normal everyday life.
| ONA | 8 | 6.62 |
|
A series of collaboration episodes between Chobitto Zukan and JAS.
| ONA | 3 | N/A |
|
A short anime series that describes the everyday life of Ao and other Eureka Seven Ao characters.
| ONA | 10 | 6.03 |
|
Animated audio-dramas released online.
| ONA | 10 | 6.45 |
|
Tekken published a flip book movie about the episode "The Force Awakens" in the series "Star Wars" celebrating the premiere of "Star Wars: The Last Jedi" (directed by Ryan Johnson) on the same day. Th...read more.
| ONA | 1 | 5.24 |
|
The animated opening for Square Enix's Kakusansei Million Arthur RPG mobile card game launched for iOS on April 9, 2012 and for Android on May 24, 2012. The mobile game was terminated on March 30, 201...read more.
| ONA | 1 | 5.49 |
|
A musical anime promoting motivation for LGBT teens. The focus of the short is on a young man and his struggling affection towards his male classmates.
| ONA | 1 | 5.83 |
|
Noya Itsuki just transferred to Ebisugawa High School. Since he has always had a fascination with space, he decides to join the Astronomy Club; however, he mistakenly walks into the Asstronomy Club—a...read more.
| ONA | 10 | 6.17 |
|
A compilation of Girls & Panzer! and Girls & Panzer: Kore ga Hontou no Anzio-sen desu!.
| ONA | 1 | 7.13 |
|
Short anime clips published on the official twitter account to advertise the movie, Chuunibyou demo Koi ga Shitai! Movie: Take On Me.
| ONA | 24 | 6.91 |
|
The animated opening for Square Enix's Koukyousei Million Arthur RPG mobile game launched for iOS and Android on October 4, 2018. It is said to be a "brand new" Million Arthur story where legends and...read more.
| ONA | 1 | 5.49 |
|
18-year-old Manami Katagiri has faced hardships his whole life because he had to drop out of middle school and begin working in a factory to take care of his little sister. For reasons he's re-enrolle...read more.
| ONA | 20 | N/A |
|
In which the act of rape has been legalized as long as the purpose is child-making, schoolgirls are raped on the train, mothers and daughters in the house and idols on the stage! And even two girls wh...read more.
| ONA | 2 | 5.90 |
|
Soka city's 60th anniversary commemorative animation. Souta was born in Soka but has worked and lived in Tokyo until recently. He's engaged to Miki and decides to return to Soka to look for a new home...read more.
| ONA | 1 | 5.79 |
|
The year is 2045, and artificial intelligence has undergone tremendous developments. Governments use them as weapons, engaging in never-ending warfare to sustain their economies. The mercenary group G...read more.
| ONA | 12 | 6.60 |
|
A studio DLE collaboration with the Tokyo Metropolitan government, aims to improve Tokyoites' public manners and regard for others. Three total videos were made and released on the same day. One video...read more.
| ONA | 3 | N/A |
|
A short series depicting side stories about the brothers' daily life, released on dTV streaming service. It received an advance screening together with the movie on March 7 in Tokyo. (Source: AniDB)
| ONA | 7 | 6.32 |
|
An animated commercial for Kao Biore Sarasara Powder Sheets focuses less on a personal hygiene routine, instead opting to tug at viewers' heartstrings. The ad stars three high school friends, one a fl...read more.
| ONA | 1 | 5.90 |
|
ONA | 40 | 5.62 | |
|
Join the table with Valkyries this summer for a feast of mouth-watering food and heartwarming memories.
| ONA | 10 | 7.08 |
|
Galar is a region where Pokemon battles have developed into a cultural sensation. Over the span of seven episodes, Pokemon: Twilight Wings will show in detail the dreams of Galar's residents, the real...read more.
| ONA | 7 | 7.53 |
|
Mini anime of Koisuru Asteroid where characters explain astronomy and geology. Later included in the Blu-ray/DVD.
| ONA | 12 | 6.11 |
|
Centuries after the events of Saga Brave, a third race called the Mauve has emerged alongside Humans and Mazoku. Identified by their purple blood and immense intelligence, the Mauve are shunned by the...read more.
| ONA | 5 | 6.44 |
|
The year is 2045. As a result of the Global Simultaneous Default, an economic disaster that shook every country on Earth to its foundations, as well as the explosive evolution of artificial intelligen...read more.
| ONA | 12 | 6.85 |
|
The story is set in Nagasaki prefecture in Minami Shimabara city, the fabled origin of the Shimabara Rebellion that sent shockwaves through all of Japan in the early Edo period. It is also where a thi...read more.
| ONA | 4 | 5.65 |
|
Second season of Nu Wushen de Canzhuo.
| ONA | 8 | 7.29 |
|
A special anime based on the beginning of iOS/Android RPG by the same name. (Source: AniDB)
| ONA | 1 | 5.92 |
|
The anime centers around a boy named Kouta Kouka (Kouka Kouta in Japanese name order, an apparent wordplay on Coca-Cola). Kouta strives to be the world's best Bottle King at the Bottle Battles in the...read more.
| ONA | 25 | 5.52 |
|
The gods of the world—from Greek to Norse to Hindu mythology—gather every one thousand years to make one important decision: whether or not to wipe out mankind. Repulsed by humanity's selfishness, the...read more.
| ONA | 12 | 6.79 |
|
Mini anime of Nanatsu no Taizai parodying six fairy tales: "Little Match Girl," "Urashima Tarou," "Tsuru no Ongaeshi," "Snow White's Scary Adventures," "The Honest Woodcutter," and "Momotarou." They w...read more.
| ONA | 13 | 5.66 |
|
Mini anime for Ore dake Haireru Kakushi Dungeon released weekly on the official YouTube channel. Contains 12 regular episodes + 2 collab episodes.
| ONA | 14 | 5.89 |
|
Mini anime introducing the characters, released on the official Twitter.
| ONA | 8 | 5.30 |
|
A four-minute concept animation that exists within the same world as Summer Ghost.
| ONA | 1 | 6.33 |
|
A novel writer and his family move into a new house that was used as a set in his favorite horror movie. There, strange things start to happen.
| ONA | 1 | 5.21 |
|
In the year 2124, Christopher is on a research expedition to Mars where he discovers a missing commercial vessel...
| ONA | 1 | 6.76 |
|
Mini anime of Isekai Maou to Shoukan Shoujo no Dorei Majutsu Ω airing on the official Twitter account.
| ONA | 18 | 5.95 |