That's What Friends Are For, part 1

This is the first part of a ballbusting story I've written. There are 4 more parts after this that are all much longer. Feedback would be appreciated so I can edit the later parts to improve them.

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I was jolted awake by a sharp pain in my groin and immediately noticed two things:

1. Sophie’s foot was crushing my genitals, and

2. I didn’t want her to stop.

I groaned, rubbed my eyes and took a proper look at my tormentor. Sophie, a close friend of my sister (and me, recently) who had stayed the night at our house, was standing at the foot of my bed, one leg raised and the foot planted firmly in my crotch. She was already dressed, in a form-fitting grey spaghetti-strap singlet and a black miniskirt that barely covered the top of her thighs. She knew full well that I could see all the way up to her black, lacy panties. ‘Morning!’ she sang, hands on her hips, grinding my manhood between my pubic bone and the two-inch heel of her ankle-high boot.

‘You’re… not my alarm clock’, I managed to get out between pained groans.

‘Aww, come on. I know you’re having fun too! You haven’t tried to get up!’

I spluttered out a denial, knowing full well Sophie didn’t believe my words any more than I did. She responded by shifting her weight onto her front foot, crushing me even harder. Her smile was angelic, and she knew it. That coupled with her dominant streak made her even more alluring, as did how much she was clearly enjoying my pain.

She finally lifted her boot off, giving me a moment to catch my breath. As I tried to sit up, she slammed it back down again and I doubled over in ecstatic agony. ‘I’m so glad we’re close enough that I can do this with you without it being weird. We’re gonna have so much fun now! Now get up and get dressed, but make sure your pants aren’t too… padded. That would ruin it!’

I should probably explain what led to Sophie discovering her love for using my weakness to control me. It all started a month earlier at our weekly boxfit class…