The Weekly Threesome

"Right on time, " Erin purred, her voice a low thrum that sent a shiver down Katrina's spine. Katrina shifted, her legs instinctively crossing, a tell-tale sign of the yearning she tried, and failed, to conceal. Alec felt a familiar throb deep in his groin, a prelude to the release that was sure to follow. The initial small talk was perfunctory, a mere societal veneer over the throbbing hunger that consumed them.
Erin's fingers, long and elegant, brushed Alec's arm as she passed, a jolt of raw current that made him catch his breath. Then, she turned her attention fully to Katrina, her eyes boring into the younger woman's, a silent command passing between them."Ready to be good, little one?" Erin murmured, her voice laced with a delectable hint of menace. Katrina swallowed hard, her pupils dilating. "Yes, ma'am, " she whispered, her voice barely audible.