Nude Kunoichi Kate, known by her pseudonym Sayonaruto, is a fitness model and coach from Kazan, Tatarstan. She actively shares her experiences and motivation on social media platforms, including Instagram and Facebook. On her Instagram page (@sayonaruto_), Kate describes herself as "your personal fitness motivator" and announces her upcoming debut on NBC in the fall.

On Facebook, she also provides links to her Telegram and Boosty profiles, where she offers additional content for her followers.