The illegitimate daughter of a commoner and a duke, Synali von Hauteclare, survives an attack by an assassin hired by her father and plans her revenge by riding and fighting on a giant robot.

"Taka is no hero. The Notorious Delinquent has a bit of a reputation in her city, but after she accidentally unleashes a horde of evil robots, she begrudgingly takes up the mantle of Mech Fighter. Armed with special abilities, Taka sets out to recapture all the robots and seal them back up, playing protector to a city of people who previously couldn't care less about her. While the popularity of the Mech Fighter grows with every adventure, Taka does...