: The series focuses heavily on "choukyou" (training/discipline) themes, where the protagonist is gradually broken down and forced into compromising situations to meet her financial obligations. Content Tone

The first volume (Menu 01) specifically establishes Sayaka's entry into the restaurant and her first experiences with the "midnight service". It is often grouped by fans alongside other "dark service" titles like Cafe Junkie The Movie Database Ryoujoku Famiresu Choukyou Menu (2010) - TMDB