I couldn't help but feel my arousal rising as the teacher babbled on about algebraic equations. I had a strong desire after reading a confession online about a student who had used a pen to masturbate in class. I immediately took off my underwear and sat back with my legs wide apart in my seat. I felt the slickness that had already started to form as I ran my fingers over my bare pussy. I was engrossed in a haze of pleasure as the instructor went on with her lecture. I started to stroke myself while muttering softly as I slipped my pen between my folds. My body was tense with anticipation, and the feeling was electric. With my eyes closed and my mind occupied by the powerful sensations pulsing through my body, I lost myself in a frenzied state of self-gratification for the next half hour. I moaned loudly as I arrived, my body trembling from the intensity of my orgasm. I put my underwear back on and tried to look casual as the bell rang and the students started to file out of the classroom. On the inside, though, I was giddy with anticipation because I had just witnessed something genuinely thrilling and taboo. I developed the habit of masturbating in class with my pen as my reliable companion after that day. I kept the secret to myself, but it gave me a tremendous sense of freedom and pleasure. I couldn't help but wonder if there were other people who were living out their own secret fantasies in the most unexpected places, just like me, as I sat in class, engrossed in my own world of desire