Shitsuji ga Aruji wo Erabu Toki

The private Katsuranomiya Academy is a school full of girls from noble families. Naoya enrolled in the school as a butler on a scholarship and met five rich ladies known as the ‘cinq roses’. They came from different backgrounds, from being a princess to being the daughter of a famous acting family, but they all had something in common. They all are either S or M! Which of them will he choose to serve?