Takane Katsu

A loud-mouthed, bike-riding Police Officer from Osaka. Takane is often seen riding a chopper and wears a uniform resembling that of a schoolgirl. She carries a large wooden sword, which she swings around often; as it symbolizes her leadership of an all girl biker gang, who often act as her deputies. She's also efficient at throwing handcuffs and subduing her target. Takane is quick to lose her temper and hates being in debt to anyone. She is also the daughter of the Police Chief of Osaka. After crossing paths with the team, she becomes attached to the team and assists them anyway she can as debt to Jo even if it means disobeying her father. (Wikipedia)