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Skully
Knock cover
Completed

Knock

A lab volunteer signs on for his boss's patch trial, and by week three the daily measurements have become the least clinical part of his appointment.

by Skully • M/F • 4 pages
Created Jul 12, 2023 · Updated Jul 18, 2026
AnthroMammalCanineCanine PenisKnottingBig PenisHyperPenis ExpansionGrowthVaginalRidingCreampieCum InsideBig AssSize DifferenceWorkplace SexStory
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