The Milk Thief

After seventeen years Duncan runs into his old high school girlfriend. Her breasts are bigger than ever and after starting an affair with this married woman he discovers why: she and her husband are in an adult nursing relationship. Duncan decides he needs to share in the life-giving milk that now flows from Ophelia. He's literally stealing milk from his married rival's mouth. This is a 17, 000 word novelette intended for adult audiences.
Content warning: This story features graphic sex, group sex, lesbian sex, erotic lactation, and other depictions of adult sexuality. Strong language and adult only content. Excerpt:After I had nursed from her for a minute and I was settling in, she had other ideas. She pushed me away. "You need to leave some for Terry."A bit of anger rose in my chest, but I pushed it down. "Is he going to notice you're not completely full?" Even after a few minutes of nursing from her, I could see that her boobs were slightly reduced in size.
She was a D cup in high school, when we met up again after the years I was certain she had grown to a double D, but that wasn't really the case. She was just swollen from her milk production. I was certain I could make them bigger.