Ryo is the son and entrusted owner of Takuma Sakazaki's dojos for the Kyokugen-style school of Karate. As a child, Ryo spent his time training his body, and eventually became so powerful that he was nicknamed The Invincible Dragon. Naturally, he is extremely strong-willed, and will spare no effort getting things done. Even to this day, he continues to train himself to his maximum potential.