Public domain
Thirty-two Types of Customs: Ai-ta-sa-sou (Lonely-like) Customs of Oiran in the Kanei 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 あいたさう 嘉永年間おいらんのふう俗. 明治21. 芳年. National Diet Library, Japan. Public domain.