Rikako Yuasa, also known as “Lady Sasa”, is a Japanese born, Brazilian jiu jitsu black belt under the prestigious Yukinori Sasa, being also one of the most accomplished female competitors of her generation. Competing in the light featherweight division (53.5kg/118lbs) for the Paraestra (Shinagawa) academy, Yuasa won important titles, such as the World Championship, Asian Open as well as European Open.