erotic massage parlour; sexual massage salon
A beauty salon or massage parlour that provides sexual services under the guise of aesthetic treatments.
See also: エステ
繁華街には性感エステの看板がいくつかある。
There are several signs for erotic massage parlours in the entertainment district.
Compound of 性感 (sexual sensation) and エステ (abbreviation of エステティック, aesthetic salon).