On February 2, 1194, he attended a genpuku (attainment of manhood) ceremony for Yasutoki HOJO, and on November 21 of the same year, he participated in kasagake (horseback archery competition) held as one of Shinto rituals at Mishima-taisha Shrine.
建久5年（1194年）2月2日、北条泰時の元服式に、11月21日には三島大社の神事による笠懸に加わる。