There is a portrait of Masayoshi in his armor as a fearless warrior with the year of production, 1539 written on it, and it is kept in the Joon-ji Temple of the Jodo Sect called Masayoshi Kaiki.
正義開基という浄土宗浄音寺に天文8年の賛がある精悍な甲冑姿の肖像が残っている。