My 18yo granddaughter is very sporty and has recently had an operation on an injured knee. She is off school for several weeks and I go round regularly to keep her company and walk the dog.

She has a bulky knee brace on and none of her trousers will go over it. So a lot of the time she is wearing a skirt. Because the brace will not let her keep her knees together or cross her legs, then if I sit opposite her I have a permenant unrestricted view up her skirt to her knickers. While she sits reading or on her phone I am gazing and staring at her knickers. Over the last fortnight there have been white ones, black ones, blue ones, pink ones, striped ones, spotted ones, cotton ones ,and lace ones. Also as she gets up or sist down awkwardly with her crutches I get a wonderful panty view too.

Needless to say I have had to make visits to the toilet to wank myself. When I have gone out with the dog I have had to wank myself either in the woods, or in a quiet corner of the park. And when I leave in the afternoon I stop the car a few streets away in order to masturbate again.

Unfortuately for me she goes back to school next week.