Sayo

Sayo was close friend with Tatsumi and Ieyasu know then since childhood. She was shown to be quick tempered, kind, cheerful and knowledgeable.

Bio
She sets out with Tatsumi and Ieyasu to earn money for their village. On the way, they were attacked by night bandits and got separated. Sayo managed to stay with Ieyasu while Tatsumi was separated from them. She and Ieyasu was then invited by Aria to her mansion, and provided them with a meal that was drugged, making them lost consciousness. She was then tortured to death, and didn't submit to Aria and her family even after her death. There is a chance that Tatsumi was in love with her, as the illusion that Zank showed revealed her to be the most important person in the world to him.

Equipment and Skills
Sayo was seen carrying a bow and a stack of arrows. She seems to have good combat abilities and presumably, good archery skills, as Tatsumi stated that both she and Ieyasu were strong.