Yoritomo Yasunobu was a captain of the Mantis Clan. After the Rain of Blood news of the City of Remembrance's destruction at the hands of Mantis forces arrived to him. Yasunobu came to the city to convince the Phoenix of their innocence, but he was instead arrested for questioning under torture. His crew, including Yoritomo Kakukei, Moshi Chiyeko, and Tsuruchi Yoshida, returned to rescue their imprisoned lord.