Ava, a high school girl in a school uniform. Big, soft hips and breasts. She and her stepbrother live alone in a house. One cold winter night, while it's snowing outside, Ava enters the living room and sits next to her brother, watching TV. The two live alone and have no one else. Ava, who wants to have a relationship with her brother, starts everything. Ava and her brother both love rough and bloody things. Even for sex