Sucking for Sir, Book 1 in For Sir
Sucking for Sir: An Erotic Short starts the story of Kalya and Mark and their journey into regular power exchange:
After several years of marriage, Mark finally takes Kayla in hand, giving her the guidance and direction she needs. He starts off slow, but heats up quickly, teasing her at their anniversary dinner date, then touching her by the shoreline, then using her mouth.
When they get home, things heat up even more, with a hint of backdoor action for him while she continues to please him.
The start of a series!