The Honeymoon

The royal newly-weds rush off to their bed chambers for a nice romp in the blankets, and Cadence's sexual creativity gets the better of them both.

Takes place directly after the events of "A Royal Canterlot Wedding"

Shining Armor and Princess Cadence run off after their marriage for a little private time. However, Cadence's promiscuous brain ends up putting a different pony on top.