While Kawakatsu followed the prince and rendered distinguished services such as destroying Moriya MONONOBE, he also performed some sarugaku plays to pray for a period of peace and tranquility under the prince's rule.
河勝は太子に従って物部守屋討伐などに功を挙げる一方、太子に命じられて猿楽の技を行い、天下の太平を祈願した。