Sister Street Fighter, Fifth Level Fist

Kiku Nakakawa, the daughter of a kimono shop owner and a karate enthusiast, embarks on a mission of vengeance. To help her friend Michi avenge her brother's death, Kiku goes undercover. She infiltrates a Kyoto movie studio, discovering it's a front for a powerful drug dealing syndicate. Using her formidable martial arts skills, she takes on the criminal organization from within, facing down dangerous foes in her quest for justice. AKA Onna hissatsu godan ken.