picture-frame show
A Shōwa-era stage performance in which a woman posed half-naked inside a large frame, resembling a Western painting. Historical term; no longer a common practice.
It is said that picture-frame shows were popular in Shōwa-era freak shows.
The picture-frame show was a stage act in which a woman posed inside a frame.
Compound of 額縁 (がくぶち, 'picture frame') and ショー ('show'). The term describes the visual presentation of a performer framed like a painting.