>>42300434
Its based on a headcanon of mine, where a unicorn's stamina is dependent on their magic reserve, which easily gets spent when they orgasm, and can also regen itself faster when they are really edged up.

>Whats the idea ?
Unicorn bridesmaids being used as chaste magic batteries for the bride's needs during the honeymoon. And Twilight not knowing about that part when she took on Cadence's offer and put on the locking ring.

I want to be a mare's hoof slut

>>42178979
>Condemning a mature but evil filly to a life of constant, crippling heat.
Sound like something Carat and Stick's Cadence would have done.