Soon after the story arc in Sakura Taisen 2, Oogami Ichirou heads to Paris, France to set up a French contingent of the Hanagumi fighting forces. Termed the Paris Teikoku Kagekidan, the new girls dance at the theater "Les Chattes Noir" to entertain the populace and also use it as their secret headquarters and base of operations. Gran Ma directs operations of both the theater and the Paris assault force while  Oogami and the Paris Kagekidan deliver defense and drama. The adversaries who ignite the strife in Paris are called "phantoms" and they attack with the power of animals. Leon, a leonine beast drives a lion-shaped Steam Punk and appears to lead the pack. Others in his contingent include Shizo, a menacing rabbit and Piton, a serpentine lady fiend...