Cuckold by Request — Isabelle Drake

Part of the By Request series.

Edward Dean knows his wife wants more than his usual brand of gentle lovemaking, so he signs a contract with By Request, Inc., a business that specializes in custom sexual experiences. He expects a tame lesson in seduction, a little something to spark Kelly's interest, as he settles in front of newly installed video monitors and waits for the fun to begin.

When a powerfully built man appears onscreen, he does way more than “spark Kelly's interest”. He unleashes her wildly sexual side -- the one Edward quickly realizes he hasn't been satisfying.

He'll be damned if he lets Kelly get what she needs from a dominating stranger. Bolting from his seat, Edward takes his rightful place behind his bound wife…