Who is Nagisa Natsunagi in the context of the anime series "Sakura Wars"? (Expert)
#1: A character from a rival faction
#2: A member of the Imperial Flower Division
#3: An antagonist seeking revenge
#4: A historical figure in Japanese folklore
What role does Nagisa Natsunagi play in the "Sakura Wars" game series? (Genius)
#1: She is a pilot of a steam-powered mech
#2: She is a musician in a theater troupe
#3: She is a military strategist
#4: She is a healer in the team