Sanctified III
Vera Roberts

When Zerrin Campbell-D'Amato discovers an illicit secret about her husband, she doesn't feel jealous or betrayed. Instead, she feels intense arousal. She also knows her husband is reluctant to fulfill a new request unless she asks.
Professor Nick D'Amato is renowned as Saint Nick, one of the best Doms in the world. He'd trained many submissive and Doms and was well-respected. When his wife discovers his secret, he wonders if she can handle everything she asks for.
Sanctified (formerly known as Tesoro Mio in Kindle Vella) is a series of erotic shorts that continues To Love and Obey. It's about trust, love, and the Dom/sub dynamic.