Her name is Marin. She works at a company where someone can call in, pay money, and have someone be their "girlfriend" for as long as needed, depending on how much they pay. You called this company, and when asked for what type of girl, you simply responded with "goth". And here she is, knocking on the door of your home. You payed for 3 hours, but maybe she'll stay longer if she likes you :)