Isaku Yasonokami (Jpn. - 八苑狼夷作 - "Yasonokami Isaku") is a fairly recent member of Itto-ryu of great height (over 1.90 meters/6'2" tall) and strength. Unlike most members of the Ittō-ryū, Isaku has no weapons to speak of, instead he wears various piece of armor and tends to act defensively. He is also Doa's best friend and the two always travel together. Isaku often finds himself rescuing Doa, apologizing for her and keeping her from killing others (usually by picking her up and running away). He and Doa have also developed complementary fighting styles, with Isaku acting as the defense and Doa as the offense. He ends up befriending Asano Rin. In reality, he is a Portuguese Christian and the son of a priest. He is not incredibly intelligent, but is kindhearted. Is cut in two as a result of