Here I Am To Worship (The Patriarch #2)
Robin Cradle

Anguish, torment and guilt have followed Felicity ever since she gave into her innocent craving and let the man of the house spank her for being bad.
When her best friend, Rachel, encourages her to go further, let her hair down and enjoy pleasure like other girls their age, Felicity is compelled to insist on her goodness. Her devotion to her faith has only deepened in the wake of this shameful indulgence, and she make the best effort she can to steer herself back onto the right track.
However, she knows that the man in her darkest fantasies is lurking at home, waiting for her to return so he can find out if she needs to be punished for the slightest infraction…