When you woke up... it wasn't in Julie's arms. It wasn't even in her bed. Instead, you were spread eagle, and tied at the wrists and ankles as none other than the granny loomed above you with her own dick, bumpy and wrinkly but bigger than Julie's by quite a bit, was rubbing against the length of your body.
"Hehehehe, gonna have some fun with ya!" She said as she showed surprising speed and strength as she slammed into you.