Meg and Jo are struggling to make a living in Tokyo in the year 20XX. Jo a gunslinger and Meg her back up take varies Jobs to make money in a world the allows anyone to Carry a gun. It is later known that Jo has no memory of her past. However when a cybernetic mad man comes to town looking to get revenge on Jo lost memory's begin to surface. To other girls Sei and Amy are trying to catch this person and use Jo to try and bring him in.
