Try to get hold of a pair of rubber double dong panties that you can wear all day, every day. Make sure you use numbing cream as a lubricant on both dongs. Failing that edge three times when you wake up, and then once before each lesson.
At the end of each day put a peg or equivalent on each nipple and rub your pussy on a piece of furniture in your room. You are not allowed to cum at any point. If possible tie yourself up to sleep.
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