Born in Tosa as a samurai of the lowest ranking class; a "gōshi"(郷士). In the midst of the chaotic uprising with other young men, he became distressed over his own aims and accomplishments. However, having the best sword skill in Tosa allowed for his swordsmanship training in Edo. With high expectations from Yoshida Touyou, along with Takechi Hanpeita, the plan for the reform of the Tosa government was in progress. However, on the night before it could be carried out, an incident occurred that changed Ryōma's life immensely.