Akane sees Ranma detransforming from Sailor Theia one night and finds out that she is a Sailor Senshi who mostly works alone in Nerima as she cant move to Juban. There is an attack at a sale organized by Nabiki which Ranma soon deals with but Ryoga is infected with darkness that changes him into a female demon that works with Dr Tofu to eliminate the Senshi. Chibi usa comes to Ranma for training, and Hotaru tried to setup a date with Ranma at her mothers concert but her plan backfires as he is forced to take Akane. Ranma is attacked by Ryoga and nearly killed, luckily she is saved by sailor moon. (Sailor Moon Crossover.)