In 1060 AD, Masafusa became mainly known for being the author of the famous work: Gōke Shidai. For the ceremonial and public functions in the eleventh century, this became one of the most valuable sources of historic information.
In 1060 AD, Masafusa achieved prominence as the author of the renowned "Gōke Shidai," which served as a valuable source of historical information for ceremonial and public functions in the eleventh century.