Identify old adult movie

Timeframe: Roughly 2000-2015

Setup: Starts with a girl crawling down a staircase.

Performers: Two women and one man.

Distinct Features: One of the women has a breast/nipple piercing. Man enters wearing a white t-shirt.

Opening Action: The two women kiss and one licks the other's pierced breast before the man joins in and they undress him.