First you were put in this position, and then your chastity belt was slowly unlocked and removed. Your member had stiffened instantly, but you lay quietly awaiting your instruction. You had waited this long, you could wait just a few minutes more.
“You lasted an entire month without whining and served your master’s every will, so you’ve definitely earned the right to a chance to cum. Now now, don’t whimper, you didn’t think I’d make it easy for you, did you? If you don’t succeed this time, you can just try again next month! Your five minutes starts…NOW!”