As soon as Ellie closed her bedroom door, I rushed into her bathroom, turned on the light and adjusted the door to about the same gap as she had it. I stood where she was and looked in the mirror towards my bedroom. Completely dark! Yes! Standing in the lit bathroom, I couldn't see a thing past my doorway. I would be able to see her but she wouldn't be able to see me. Perfect.

I jacked off in the shower, shooting a huge load of cum as I replayed my granddaughter's show over and over in my mind. For the rest of the day, I tried to act natural...