Set in a part of Tokyo that has descended into a quagmire, the story follows Unit 8 of the 5th Special Public Security Section's 3rd Mobile Assault Division, popularly called "The Eighth," who don powered armor "Willwear" exoskeletons to counter the rise in crime. (Source: ANN)

In a futuristic, post-disaster Tokyo, the "Special Public Security Fifth Division Third Mobile Assault Eighth Unit," or "Unit Eight," is a police unit specializing in handling criminals who wield dangerous wearable technology called "Willwear." Equipped with Willwear of their own, the squadron is often criticized by the public for their carelessness and disregard for protocol. Sent in by the government as an undercover agent with special instructions from the higher-ups, Asami Kazari is Unit Eight's newest member. Determined to straighten out what she expects to be a group of incompetent fools, she instead finds a team of well-intentioned experts who use very effective—albeit unorthodox—methods, hindered by strict regulations. With their newest member by their side, Unit Eight fights crime and overcomes unexpected adversaries in Active Raid: Kidou Kyoushuushitsu Dai Hachi Gakari. [Written by MAL Rewrite]

Haruyuki Arita is an overweight, bullied middle schooler who finds solace in playing online games. But his life takes a drastic turn one day, when he finds that all his high scores have been topped by Kuroyukihime, the popular vice president of the student council. She then invites him to the student lounge and introduces him to "Brain Burst," a program which allows the users to accelerate their brain waves to the point where time seems to stop. Brain Burst also functions as an augmented reality fighting game, and in order to get more points to accelerate, users must win duels against other players. However, if a user loses all their points, they will also lose access to Brain Burst forever. Kuroyukihime explains that she chose to show Haruyuki the program because she needs his help. She wants to meet the creator of Brain Burst and uncover the reason of why it was created, but that's easier said than done; to do so, she must defeat the "Six Kings of Pure Color," powerful faction leaders within the game, and reach level 10, the highest level attainable. After the girl helps Haruyuki overcome the bullies that torment him, he vows to help her realize her goal, and so begins the duo's fight to reach the top. [Written by MAL Rewrite]

As a child living in the town of Lawless, Angelo Lagusa has witnessed a tragedy: his parents and younger brother have been mercilessly slaughtered by the Vanetti mafia family. Losing everything he holds dear, he leaves both his name and hometown behind, adopting the new identity of Avilio Bruno. Seven years later, Avilio finally has his chance for revenge when he receives a mysterious letter prompting him to return to Lawless. Obliging, he soon encounters the Vanetti don's son, Nero, and seeks to befriend him using the skills he has quietly honed for years. Set during the Prohibition era, 91 Days tells the story of Avilio's dark, bloodstained path to vengeance, as he slowly ends each of the men involved in the killing of his family. [Written by MAL Rewrite]