The story is set during Japan's Sengoku Jidai (Era of the Warring States) and centers on Furuta Sasuke, a vassal of the great warlord Oda Nobunaga and a man obsessed with tea ceremony and material desires in his pursuit of a fortuitous life. Having learned from Oda and the legendary tea master Sen no Soueki, Furuta walks the way of the Hyouge Mono.
 
(Source: Anime News Network)

Haruka Ozawa's sophomore year is getting seriously scary. One of her friends is possessed, another has committed suicide and Haruka could be the next one to flunk the still-breathing test. Her only way out of this potentially lethal dead end? Yakumo Saito, an enigmatic student born with a mysterious red eye that allows him to see and communicate with the dead. But the deceased don't always desist and some killers are more than ready to kill again to keep dead men from telling any more tales. That doesn't stop Haruka's knack for digging up buried secrets, and there's even more evidence of bodies being exhumed by both Yakumo's police contact and an investigative journalist with a newly made corpse in her closet! Can this pair of anything but normal paranormal detectives solve the ultimate dead case files or will they end up in cold storage themselves? 
(Source: Sentai Filmworks)

This sweeping science-fiction saga delves into the rich Halo universe with 7 exciting stories including tales of Master Chief's mysterious origins, the Spartans' advanced combat capabilities and the tense rivalry between Spartans and Orbital Drop Shock Troopers (ODSTs). 
(Source: Warnervideo.com) 

1) Origins Part1 (STUDIO 4℃) 
2) Origins Part2 (STUDIO 4℃) 
3) The Duel (Production I.G) 
4) Homecoming (Production I.G/BEETRAIN) 
5) Odd One Out (Toei Animation) 
6) Prototype (Bones) 
7) The Babysitter (STUDIO 4℃) 
8) The Package (Shinji Aramaki) 
 
Note: Since The Package aired in two parts on Halo Waypoint and Origins has two parts the total number of episodes is 9 for the 7 stories. 5 of the 9 episodes aired online, making Halo Legends technically an ONA.

A young man wakes up in a strange room with no memory of who he is or how he got there. His past is lost—and his future belongs to Inferno, a violent crime syndicate. They give him a new name—Zwei—and team him with their top assassin, the enigmatic Ein. She’ll teach Zwei all he needs to know about his new life as an Inferno operative, starting with lesson number one: kill or be killed.
 
(Source: Crunchyroll)

Sometime in the future, the world was completely dried up and became all desert. They had little rivers and lakes left, which villians and dangerous animals lived. Water has become the most valueable thing on the world. Whoever can control water will rule over the world.
 
(Source: Anime News Network)

Prince Pietro is the half-human, half-dragon prince of the kingdom of Popolocrois.  After the evil GamiGami tries (unsuccessfuly, as ever) to take over the Kingdom, a mysterious girl named Hyuu appears in the forest near Popolocrois Castle, which is the beginning of an adventure for Pietro, his witch friend Narcia, and all their friends.  Set following the events of the first Popolocrois game.

Manji is an amoral swordsman, who has been cursed with eternal life. He has grown tired of living with all the death he has created. He has no skills other then those of killing, thus he forms a plan to regain his mortality: he shall kill one hundred evil men for each good one he has killed. The old witch who afflicted Manji with immortality agrees to Manji's proposition and Manji is set on his path to kill one thousand evil men. On his journey he meets a young girl, Rin, who has her own vengeance to seek against the sword school whose members slaughtered Rin's family. Rin and Manji journey together, each hoping to find some kind of peace. In their way are many varied enemies. Rin and Manji are almost constantly under attack and must learn to live their lives, avoiding being consumed by revenge. 
(Source: Anime News Network)

Batman animated anthology based on the DC Comics superhero of the same name. 

Episodes 
1) Have I Got a Story for You (俺たちのスゴい話) - Shoujirou Nishimi (STUDIO 4℃) 
2) Crossfire (クロスファイア) - Futoshi Higashide (Production I.G.) 
3) Field Test (フィールドテスト) - Hiroshi Morioka (Bee Train) 
4) In Darkness Dwells (闇の中で) - Yasuhiro Aoki (Madhouse) 
5) Working Through Pain (克服できない痛み) - Toshiyuki Kubooka (STUDIO 4℃) 
6) Deadshot (デッドショット) - Jong-Sik Nam (Madhouse)

In the year 2048, people are raving about a fighting race called &ldquo;Immortal Grand Prix&rdquo;, or IGPX in short, which is faster and more exciting than any of the existing motor sports. The phenomenon is so big that an entire city was built for the racing industry where competitions take place on a huge track. In the &ldquo;Immortal Grand Prix,&rdquo; two teams of three IG machines, high-tech humanoid mechs driven by humans, race at speeds greater than 400km/h. The teams make three laps of a 60 km course while intercepting the opponent as they vie for a first place finish. The best machine performance, the best pilots and the best teamwork are the only factors that can make them the winners. 
(Source: Production I.G.)

The characters from previous .hack//G.U. Games and .hack//Roots receive an email from Ovan. He is requesting them to go to Hidden Forbidden Festival where is set up a mysterious summer festival. There they find an AIDA Chim Chim who wishes to peacefully co-exist with the other players of The World. It then transforms into the word "Returner", so they assume it to mean that Ovan will return to The World.
 
(Source: Anime News Network)

In this Earth, there exists unknown underground world, the Inner World. In the world, there are braves who fight with large spiders, and they are called &ldquo;Spider Riders&rdquo;. 
According to his grandfather&rsquo;s diary, a boy, Hunter Steel is traveling around. Meanwhile he happens to enter the Inner World from a pyramid. There, the war between the insect squad that aims at conquest of the Inner World and Spider Riders continues. 
Oracle, the fairly of the Inner World, summons Hunter because he thinks Hunter will be the messiah of the world. However, the powers of Oracle are sealed by Mantid who is the rule of the Insecter. For the peace of the Inner World, he has to find four sealed keys of Oracle to retrieve Oracle&rsquo;s power. 
Hunter asks Spider Shadow, which is a big spider chosen by Oracle, to become a member of Spider Riders to fight against enemies. 
(Source: AnimeNfo)

Ellis, a young girl suspected of murdering a prominent physicist Heinrich Schneider, is on the run from an underground society called "Hunters" when she is tracked down by the bounty hunter Nadie in a small Mexican town. However, instead of turning her in, Nadie impulsively decides to help her and the two girls embark on a journey to Ellis' hometown, where they plan on finding clues about her past. From there, they travel south to search for the mysterious Gemstone of the Inca Rose, the "Eternal City" of Wi&ntilde;ay Marka, and Ellis' own obscure destiny. 
(Source: Anime News Network)

It's a short story about the characters from .hack// Legend of the Twilight meeting offline. It's more to hear than to see. It shows only backgrounds from the real world with the heads of the charater-game-avatars; but it reveals some interesting real life informations about the characters. 

A scientist known as Dr. Akamashi launches a coup d'état in the Forland Kingdom using his army of beasts and two android minions. With his dying breath, the king tells his daughter, Princess Alita, to escape at all cost and find Prince Kaito - her older brother who's currently on a diplomatic mission abroad - in order to guarantee her own safety and possibly take back the kingdom. 

As Alita flees, however, she ends up in a predicament that results in her dying and swapping bodies with Falis, an infamous bounty hunter who happened to be out hunting in a nearby forest together with her monster sidekicks, Dominikov and Pete. With the two women retaining their respective skills and personalities but changing appearances, Alita, now in Falis's body, begs her to go back to her kingdom and make things right, offering her body and soul as collateral - to which Falis, now in Alita's body, agrees, leading to the birth of the so-called Murder Princess, who ends up not only having to take back and protect the kingdom, but also, unravel a much deeper intrigue that soon unfolds.

Somewhere in the MMORPG called &lsquo;The World&rsquo;, a group is gathered at a pub, awaiting the start of an event. There, old friends and acquaintances are reunited, including those who rarely log on. Some are even forging new relationships for the first time. Together, invited by the hacker Helba, the group leaves for the event in the Net Slums where a celebration awaits them all. 
[Written by MAL Rewrite]

Team Satomi has just been deemed as the winners for the IG-2 lower league and now join the top IG-1 competition. But it's not going to be easy. Young pilots Takeshi, Liz, Amy, and River are going to have to be a team to be number 1, however one thing leads to another with these four. Most important of all, their opponents overwhelm Team Satomi in every aspect, including strategy and skill, as well as funding. One thing is for sure, this is not going to be an easy year for "Team Satomi."

In the year 2035 Team Suzaku and Team Sledge Mamma are preparing to meet in the final round of the 12th Immortal Grand-1 Prix (IG1 or IGPX). Takeshi leads Team Suzaku, which is made-up of a group of young amateur pilots who must make the most of their limited funds and weaponry in order to prepare for the competition designed for professionals. 
This series served as the pilot to the full IGPX: Immortal Grand Prix, each episode is only 5 mintues or less long. A key difference between the two is that this series featured combat mecha competition rather than racing mecha.

A virtual multiplayer online role-playing game exists, known as 'The World'. In 'The World', there is an event held in the Dungeon of Nankoflank that Mimiru, a character in the game, undertakes with Bear, another character of the game. Mimiru confesses to Bear that she's not doing the event for the treasures or experiences, but for the memories and experiences of when she had first started playing. The two later meet a certain character named Mimika and together, the three proceed through quests and events as Mimiru learns the meaning of the game. 
[Written by MAL Rewrite]

In the near future, humans and robots coexist. “Robattles,” a competition in which Medarot are pitted against each other, is popular among kids. A Medarot’s consciousness, effectively its brains, is located in a Medal that can be inserted into and ejected from the robot body. By chance, nine-year-old Ikki finds a Rare Medal, and soon after has his own Medarot named Metabee. This is the story of their friendship and growth as they use wisdom and courage to fight countless opponents in robot battles.

Syaoran, Sakura, Kurogane, Fai and Mokona's journey through to different world's continue as they search for Sakura's feathers. The fated journey slowly becomes more complicated for our travelers, as they find themselves diving deeper into more dangerous worlds. Takes place immediately after the first season. Based on the manga by CLAMP.

After the destruction of "The World" in 2015, CC Corporation rebuilt the game using data from what was previously to be another game. "The World R:2" was then released in 2016. A newcomer to the game, Haseo, is instantly PKed and then revived by a mysterious man known as Ovan. With the problem of PKs occupying the game, Haseo soon after receives help from a female Harvest known as Shino. Amidst curiosity and confusion, Haseo is lead to joining the guild known as the Twilight Brigade. The guild that searches for the legendary object known as the "Key of the Twilight". Set before the .hack//G.U. game.

The Strahl candidates are enjoying a brief holiday in their various homes. However, many surprises await them when they finally come back to their elite boarding school: Rosenstolz Academy. There is a new headmaster, and his policies are not necessarily to the advantage of the main characters. 
(Source: Wikipedia)

As an expression of gratitude for the heroes of both the ".hack//Sign" and the ".hack" game series, Helba has prepared a special event for all the characters to find the newly established 'Twilight Hot Springs'. The characters can get their well deserved rest and relaxation by having a soak in the wonderful hot springs, but there is only one problem -- the hot springs are hidden and there have been mysterious player murders. With the only clue being the word &ldquo;GIFT&rdquo;, the race has begun to find the culprit and the location of the hot springs. 
[Written by MAL Rewrite]