Public domain
Thirty-two Types of Customs: Ita-sou (Painful-like) Customs of Courtesans in the Kansei Period
From the collection of National Diet Library, Japan. Free to download, adapt and use — no permission needed.
Credit line風俗三十二相 いたさう 寛政年間女郎の風俗. 明治21. 芳年. National Diet Library, Japan. Public domain.