In the throes of chastity-induced desperation, a lonely man breaks his vow, releasing his caged cock to the promise of self-pleasure. His prostate, starved of stimulation, begs for attention. He obliges, rimming himself, then inserting a curved toy designed to tease the vulnerable gland. As he fucks the toy, his prostate swells, ready to burst. With a guttural moan, he comes undone, his cock spewing cum as his prostate clenches and releases, milking itself to completion.