In September of the next year, he had an exhibition match at the Okunitama-jinja Shrine in Fuchu City, Tokyo, to announce his succession as the fourth head of the Tennenrishin-ryu school fencing originator family, and as he officially became the successor of the family, he became heavily responsible for it.
翌年8月には府中市(東京都)大國魂神社(府中市)にて、天然理心流剣術宗家四代目襲名披露の野試合を行い、晴れて流派一門の宗家を継ぎ、その重責を担うこととなった。