Haruka Mizusawa Katsuragi, my version of Nintendo classic game Mach Rider.

Princess from a prosperous and peaceful kingdom, when she was 6 years old, after her parents died in a terrorist attack, she was raised by a wise old woman who trained her in Phylosophics and Martial Arts. Years later, her adoptive homeland, Detroit, was destroyed, and several of her friends and family were murdered, she tried to search the culprit ones. However, she was brutally murdered by the cybernetic-mutant race known as the Ruffians, but a mysterious person rescued her and improved her with cybernetic implants. Now, after an intensive training at China, she turned in a vigilante codenamed as Mach Rider. With her machine-gun-equipped combat motorcycle, she set off in search of a new home, destroying all the Ruffians who got in her way, while trying to search the answers of her past and defeating the DataDyne Pharmaceutics Corporation, while she joins forces with a group of resistance fighters who oppose by all media to DataDyne Pharmaceutics. With the time, she'll discover she's actually the lost princess of the Republic of Corynthia, who was submitted to horrible experiments by the DataDyne Pharmaceutics during her teenagehood.