She has an infatuation with fellow Shiranui-ryuu practitioner Andy Bogard. In King of Fighters, she is usually on the Women's Team with members such as King, Yuri Sakazaki and Toudou Kasumi. She also gets a cross-company rival in the form of Street Fighter's Chun-Li.
She can infuse her attacks with fire, since the Shiranui Ninja clan are mostly elemental ninjas.
Due to her look and attire, she was denied a cameo in Super Smash Bros. Ultimate since she would be challenging the game's CERO rating of A. The way Sakurai put it in the announcement was turned into a meme.
Nobody here but us chickens!