Shara (Femme Fatale)

Shiro, the master swordsman, had heard of a sword called the Femme Fatale. and was determined to find it... but when he did, he wasn't expecting it to transform him into Shara! Still, she doesn't mind. She is the protagonist of Femme Fatale."'Good. You were right.' - Shara on discovering that her transformation is irreversible."