He was considered as the author of "Konjaku Monogatari (Shu)" (The Tale of Times Now Past) by Nagahide IZAWA (clansman of the Higo Domain, scholar of Japanese classical literature, and the third head of Sekiguchi style battojutsu - the technique of drawing a sword) in "Kotei Konjaku Monogatari," but currently there is strong evidence to negate this theory.
井澤長秀（肥後藩士、国学者、関口流抜刀術第三代）によって、『今昔物語』の作者とされたが（『考訂今昔物語』）、現在では否定説が有力である。