Early Access - "Dry Run" (Patreon)

Trist goes into rut early, but luckily he hears about a way he can help reproductive science and blow off a little steam at the same time...

This story is a commission for Brass Dragon!

(NOTE: there's a NSFW reference image below the story)

(M/m, Machine/m, bondage, rubber, latex, sci-fi, gag, blindfold, milking sleeve, edging, orgasm denial)