Anastasia

アナスタシア

She is Saizo's childhood friend and one of Sanada's Ten Warriors.
A beautiful Russian girl and a female member of the Iga ninja, she uses ice magic and can freeze water and mist in an instant, earning her the name "Anastasia the Frozen Flower." She targeted Yukimura but was defeated, so she decided to join him. Both Saizo and Sasuke call her "Ana."
She is very playful and cunning by nature, but also becomes serious when the situation demands it.