Taboo Heat: Tales Too Hot To Handle
"Clay, this way. I like it doggie. Grab my hips and fuck me hard."
Mandy panted as she watched, fingering her pussy. She stopped, gave me a look I couldn't quite understand, and moved to where Jan and Clay were fucking. I thought I knew what she was going to do but she'd never talked about this. Mandy got in front of her mother, who had her eyes closed, and wriggled under her, Jan moved to let her in, with a very confused look.
When Mandy was in place, Jan groaned as her daughter's mouth touched her vagina.