Brothers at home teach each other how to ride horses

Amber Moore discovers that her brother is being bullied by a bully on his team. Amber didn't accept that, so she went to the bully's house to confront him. The bully thinks they can work it out, if Amber follows him into the room and milks his sperm then he will leave her weak brother alone. Amber will do anything to protect her brother, so she does what that evil bully tells her.