"Aki is a bookish girl who finds a mysterious bike while cleaning out her family's garage. Feeling powerfully drawn to the bike, she questions her grandfather, and he tells her the story of how her beloved cousin Toru was killed by a rogue biker gang. Before she knows what is happening, Aki's special connection to the bike transforms her into Biker Girl, a sassy heroine with expert biker skills. And so she sets out to avenge her cousin's death with the help of Kai, a childhood friend who may be turning into a boyfriend." [from the back cover of the book]

Plot details indexed by the Grand Comics Database (CC BY-SA).