Intervene next door.

Overridden with jealousy, you shoot out of bed in just your red lingerie and storm to the room next door.

You open the door without knocking to see your crush, Dale the horse, fucking your sister with wild abandon. She looks a lot like you but a little older, and with even bigger tits. He‘s fucking her doggystyle, his rippling muscles gleaming with sweat, his footlong cock piercing his bitch over and over, slick with bodily fluid. His head is tilted back in ecstasy as his hands grip her ass.

“Dale!” You shriek.

“Oh!” He stops suddenly, looking towards the door. It takes him a moment to recognize who you are, all the while his cock is halfway out. The girl groans in annoyance and he starts to slowly start back up again. “I don’t think I ordered a double,” he says, confused.

“Dale, it’s me! I, I…”