Kotaro is a young orphan, seen in the opening scene being told by Father Shouan to run far away from the monastery. He finds himself being pursued by assassins sent by the Ming dynasty as well as the soldiers of Akaike. With no idea why he is being pursued, when he encounters Nanashi he seeks protection from him. His sole traveling companion until meeting Nanashi is his dog, Tobimaru. His mother died at his birth and his father joined her not too long after her death.
Tobimaru is Kotarou's dog; Whom, along with being a faithful companion, comes in handy quite a few times for both Nanashi and Kotarou.
Mu-Mao is a master archeress serving as one of eight elite Ming dynasty warriors under Bai-Luan. Fighting alongside her older sister Mu-You, both seek to complete the task for which they were hired so they can return home.
Mu-You is a female Ming warrior and Mu-Mao older sister. She uses axe in combat.
An ambitious retainer who seeks to gain more power. He excels at both leadership and combat with a lance.
Acting as the second in command in the Ming's group, led by Byakuran - Luo-Lang stands out as he is the only Caucasian in the group. With a thirst for greater power, Luo-Lang craves equally stronger enemies so he may improve his skills. Meeting Nanashi is like a dream come true for him. (Source: Wikipedia)
Shougen Itadori's right hand man. Very skilled with a bow though his swordsmanship is rather poor. He has feelings for the princess and dreams of marrying her one day though he realizes she is out of his reach.