Police Corruption (Mind Control, Lesbian)

Cassie, an officer at the 72nd precinct, receives a mysterious caller who suggests that Cassie should start taking more of an interest in vice work. Soon, Cassie finds herself unaccountably fascinated by prostitution and overtaken by new, urgent needs inexpressible in polite company. Her job, her relationship with her boyfriend, and her interactions with her coworker Darlene slide inexorably towards degradation and filth. And then that mysterious caller calls back….

4100 wds+ of lascivious mind-control phone sex leading to masturbation, lesbian desire, kinky het sex, slutty oufits, and police turned into drooling lust kittens. 18 and over only, obviously. By the author of the Vanessa's Voice bundle (to which this is a sequel of sorts.)