Surrender by Lizbeth Dusseau

Trapped in a dead-end career, Liza is captivated by two dominant men: her boss and perpetual lover, the ruthless Evan; and the mysterious Nathan, a commanding man with a deliciously compelling presence. Though she’s intrigued, she’s also frightened by this champion of her desires, as Nathan demands she surrender to her sexual self, as well as to him—in ways she never imagined possible.