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)

Hideyoshi is a homeless boy living in New York in the near future, who survives by hustling other kids in basketball games. But now he's been drafted into a pro team-a pro team with a very unique goal. There once was a time when humans dominated the game of basketball. But times have changed, and now the physically superior alien players have taken over the game, and there are barely any human players left. But Hideyoshi's team-the first all-human team to compete in the Space League-intends to change all that, and bring the championship back home to Earth. (Source: ANN)

After being drafted into the Earth Team, a basketball team comprised solely of humans, street-punk-turned-pro Hideyoshi couldn't be more cocky. The team is still up against the Gorons, a physically superior race of aliens who have dominated the game for some time. New challenges and problems stand in their way. Hideyoshi is unhappy with the team and the Gorons have new tricks up their sleeves. (Source: ANN)