After a few moments of soft, slow movement, Madri added her thumb to the equation. While Madri continued to curl her finger, but she was also swirling her thumb on Erika's clit. The feeling was intense. Erika's leg's shook as Madri's damp finger slid over her aching, rigid clit. And Madri started sucking harder on Erika's breast at the same time, sucking more and more milk out of Erika's tit. And she kept moving faster and faster. Erika's head was swimming and she no longer cared if she was moaning loudly.

Suddenly, Madri stopped sucking on Erika's nipple. Erika looked over at the doctor, but as she did so, Madri...