Ex-Driver is set in the future, when all transportation is easily controlled by AI. Though like all machines they tend to break down or lose control or re-programmed. This is where three high schoolers with non AI cars, Subaru WRX, Super 7, Lotus comes in to save the day and make sure the public is safe at all times. (Source: ANN)

Azmaria Hendrick gives some background information on characters and the setting, with flashback scenes from the Chrno Crusade series itself. Released with DVD volumes 2-12.

As society rises from the ashes of war, cybernetically augmented arena fighters battle for fame and fortune... or die trying. It's the 19th century, and the world has entered the Era of Rebirth, recovering from the devastating flames of war. The sport of mechanical martial arts has galvanized the nations. Cybernetically augmented fighters turn their blood into steam and their bodies into brutal fighting—and killing—machines. Young Levius is one of those arena battlers, hell-bent on winning in order to simply survive.

Himawari Hinata recently transfered to Shinobi Gakuen to train to become the best kunoichi she can be. She wanted to be a ninja ever since she was saved by one when she was little. On her first day, she meets Hayato Madenokoji (a new transfer teacher) who saves her life. Hayato does not possess any ninja skills or traits, he is teaching the ninjas about normal society to pay off his debt. However, Himawari notices that Hayato bares the same mark on his neck as the ninja who saved her when she was young.