[NTN] Sleep Tight - Day 7 (Patreon)

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It's been nearly a week since I started this subathon, and it's getting harder and harder to control myself. I woke up in the middle of the night, sweating and fully erect. I could feel my heart as each beat jerked my member, and I had to ball up my bedsheets to keep me from gripping myself. Eventually the rush subsided and my heartbeat slowed, but I still felt the ache as my cock hung tensed, as if a single touch would bring it back to the brink. I thought that after a few days I'd get used to the sensation, but if anything it's surged in strength. I've gained another 2 inches since yesterday, but if I keep growing like this, I don't know how I'll make it to the end of the month.

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It seems like DVa's confidence is starting to waver. I'm sure there's nothing to worry about though. It's not as if she can get much bigger... right?