Because of the wishes of the senior vassals who were after power and backed up by the Ouchi and Mori families, Zenkei TASAKA and other guardian vassals were killed and Shigehira was sent away to be a priest.
大内家と毛利家の圧力、また強力な後ろ盾を望む重臣の要望により、後見役の重臣・田坂全慶らは殺害されて、繁平は出家させられる。