black hair tied in the end with a topknot. wears a simple khaki samurai gi and simple zōri sandals.  follows a strict personal philosophy centered around justice and honor.  Ryuma strongly believed that saving a life was a debt that must be repaid by those with virtue, and that repaying this debt was the way of a true swordsman. has a peculiar habit: whenever someone touched their sword sheath with his, even by accident, Ryuma would immediately take this action as a form of challenge for a duel.