Samantha LaRusso and Tory Nichols, once enemies, became friends and roommates, practicing their awsome karate skills together in new dojo. They enjoy their power and bully guys around.
The Girljutsu series introduce various girls who are showing dominance and superiority in martial arts. Stories take place in and around Sakura Dojo, the main environmnet of the saga, where girl power and dominance above guys is highly emphasized. You can think of The Girljutsu as of femdom fiction spin-off to Cobra Kai, but most characters in the series are original.