In Okinawa, Ayaka Kurenai was born in the world’s greatest legendary Karate family. When she was a child, her family was attacked by a mysterious gang that seeks legendary black belt. Her father Soujiro Kurenai was killed and her younger sister was taken in front of her. Time has passed. In Yokohama, she was spending her life as a normal high school girl, hiding her real name and her status as a heir of the legendary Karate family. However, one incident brought her a fateful encounter with her sister who was separated in their childhood. But, her sister was raised as a heartless killing machine by the mysterious gang who took her. .

Karate Girl

In Hiroshima, Mai (Mitsuki Tanimura), disguised as a Salvage Mice, steals a lost treasure and returns it to its rightful owner. Mai’s long time parter Mariku (Tomohito Sato) betrays her. Because of this Mai is placed on the most wanted list as a thief. Mai becomes broken-hearted by her colleague’s betrayal, but there’s also no mercy for anybody that treats Mai like a fool.  Meanwhile, Mai contacts Mio (Julia Nagano), who can knockout the biggest men with her bare hands, and their friendship grows…..