Later, he returned to help his legitimate child Muneyasu SENOO who was too fat to move by himself; however, he was killed near Itakura Station in Bicchu Province (present-day Soia City, Okayama Prefecture).
その後、肥満の為自分で身体を動かす事ができない嫡子・妹尾宗康を助けるために引き返すが、備中国板倉宿付近（現・岡山県総社市）で討たれた。