noun
booking directly with a prostitute
Colloquial term used in the sex industry to describe a client arranging a meeting directly with a sex worker, bypassing the brothel or agency. Often implies a private, off-the-books arrangement.
姫予約で会う方が、店を通すより安く済むらしい。
I heard that meeting through a direct booking with the girl is cheaper than going through the shop.
彼は姫予約で知り合った女性と定期的に会っている。
He regularly meets a woman he got to know through a direct booking.