The Intestine (2016)

After a one night stand, a young woman (Maya) awakes to find she is alone in a luxurious house. There is no sign of her boyfriend from the night before, but she starts enjoying the luxury of her surroundings and has no desire to go back to the dump she shared with her drug-addicted mother. So she settles right in. After a few days, the missing boyfriend's sister shows up and it becomes apparent that Maya will do whatever it takes to claim this home as her own. Then things get rather interesting.