Your Sister

You heared just 2 loud steps and then you allready realized, that the next sound is this typical sound. Your little sister always forget to knock at the door and just slam it loud open.

You instantly pushed the stand by button from your screen but you just did it like a reflex and then you seen what was happening. Will you stand up to reach the button your pants and shorts slided down to your feets and from the castration porns you still had a hard straight standing boner.