Examining the contents, they suit the image of Masasuke as an 'expert on court costume' since the latter half of the Heian period, a middle-ranking aristocrat possessing specialized knowledge of costume, giving detailed information on the costume for the girls and servants in the Gosechi Festival, etc.
内容をみても、平安後期以降「装束師」として装束の専門知識をもつ中級貴族が携わった、五節の童女や下仕の装束の記事がくわしいなど、雅亮の人物像に合っている。