Ok, so yeah, this works.
一夜情 (one-night stand / yiyeqing) was originally a single theatre performance, usually by a guest performer(s) on tour, as opposed to an ongoing engagement. Today, however, the term is more commonly defined as a single sexual encounter, in which neither participant has any intention or expectation of a relationship to come out of it.
Why it might be banned: Because sex is still a touchy subject in China.