Toki wo Kakeru Sukeban Deka

Based on Shinji Wada's Sukeban Deka manga, the Toki wo Kakeru Sukeban Deka manga's story centers on a high school girl named Tomoe, who is talented in karate, but lacks self-confidence and has a timid personality. She gets involved in a riot one day, and a mysterious man tells her to become a Sukeban detective. Tomoe travels across time and space, and meets another Sukeban detective, Saki Asamiya.

(Source: Anime News Network)