The Cuckold Dare (Cuckold Erotica, #12)

Brad wants to spice things up and invites his wife to a daring challenge in a public place.
What starts as a fantastic idea suddenly turns into his worst nightmare. His wife dares him to watch her as she gets pounded by his handsome black friend.
Brad hates to lose and doesn't back down.
To his own surprise, he ends up enjoying the danger, the shame, and the humiliation.