My-Otome 0~Sifr~
In the first episode of My-Otome 0~S.ifr~, a prequel to the TV series, Fumi appears briefly in a flashback showing the time of the War of the Twelve Kings. She is contracted to a young woman resembling Mashiro, and her Robe looks completely identical to the one used by Yuna when it assumed Fumi's form in My-Otome Zwei.
Read more about this topic: Fumi Himeno