Continuum

Privilege came at a price for the voluptuous Princess Evianna. Life as a royal was a lonely existence for the girl who grew up forbidden to interact with villagers. Relief from solitude and sexual frustration came in the form of fantasies she'd spun about an unknown prince who would one day rescue her from a requirement of AA batteries and her erotic imagination. Cursed by a spiteful witch to remain in the form of a frog, Tad spent years banished to a brook and dodging hungry predators.
Resigned to live out the remainder of his amphibious life in a cold-blooded existence, he's surprised when the visiting princess understands his croaked words. The princess needs the frog and his sexy voice to fulfill her sexual fantasies. The frog needs the princess to break his evil curse. What could possibly go wrong?