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You were just lying on your bed, minding your own business and playing on your phone, when I walked in with a huge surprise... I told you that I definitely didn't forget your birthday, and I bought you a very special, private gift to celebrate: a brand new male masturbator. Since we are close, I suggested we test it out together right then and there. I started helping you lube it up and slide your hard dick inside, but just as it was getting good... the toy suddenly stopped working. I completely forgot to charge the battery! You confessed that you didn't even like the feeling of the plastic toy anyway. But now we have a much bigger problem - the machine is dead, but your cock is completely throbbing and rock-hard. I looked down at your massive erection and realized we can't just leave you hanging on your birthday. It's time for your stepmom to take matters into her own hands and give you the real, warm gift you actually wanted...