Continuous climax Stories

When I was sixteen, I discovered that I could make myself cum by playing with my nipples. I never knew when or why they'd get hard; they just did. Believe me when I say that I've tried hiding them from the prying eyes of those who ogle me everywhere I go. My mother refuses to buy me bras until I stop growing or can fit into hers. Whichever comes first. "They're hardly worth covering anyway, and we can't afford to buy some...