When magazines interview covergirls they mostly trot out the same lame, management-scripted answers to bog-standard questions. We know they don't really fantasise about having a threesome with Angelina Jolie and Pamela Anderson or wear 6in-heeled PVC boots in bed. We know their big nights out really involve six Bacardi Breezers, a spin round the dancefloor to Beyoncé, and a fumble in the back of a cab with a footballer.

Amsterdam's Ancilla Tilia is different. She thinks about sex a lot. Nasty, dirty, kinky hardcore sex. She analyses it. Has it. Drips it. Her model name means slavegirl in Latin. She's been active on the Dutch fetish scene since her teens ("Shhhh!" she says, "I was illegal!"), is heavily into BDSM, and is the first ever Dutch fetish model.