Follows the exploits of Team Warrior, a special anti-terror wing of the Neo-Tokyo Police force. Team Warrior is comprised of the habitually broke Rio, gun-crazy Maya, computer specialist Lillica, tech-expert Nanvel, piliot/voyeur Yuji, and is led by the enigmatic Maki. The team faces a number of missions, ranging from bodyguard duty, breaking up robbery and arms rackets, and providing security for a very powerful tank. Rio and company continually thwart the terrorist aims of Ruby, an operative for a shadowy cabal of powerful men. Before the final showdown, the circumstances behind the formation of Team Warrior, how the precocious Rio came to join it, and Maki's painful past will be revealed. (Source: ANN)

Teppei is going to visit his older brother Kotaro Takamiya during a scientific conference after training with a mysterious woman named Karen for the past 11 years. However his plans for a family reunion become stalled when a woman named Aramis kills everyone in the conference to kidnap Kotaro. Teppei on the way to save his brother encounters a broken mechanical horse called B't X who revives thanks to Teppei's blood and is now his aide to save his brother from the mysterious Machine Empire.

Continuation of Teppei's journey with B't X to rescue his brother Kotaro Takamiya from the Machine Empire. The OAV series picks off from the TV series from the point where Hokuto successfully saves both Teppei and B't X and makes B't X far more powerful than before. (Source: ANN)

AD. 2023, Tokyo. Because of the change of the society such as internationalization and enlargement of the trading, the dark side of the society also continues changing. The criminals are getting deep, and their organizations are increasing its size, then the peace and security is getting worse. The government takes it seriously, and decides to introduce an innovative system. In order to cope with the special criminals, an extralegal police is founded. It is a special criminal team, Warriors, which consists of a few elite members. (Source: AnimeNfo)