After meeting Akubi (pseudonym) through online social networks, I gradually grew closer to her and noticed she was acting different than usual. Originally looking for a casual sex partner, I boldly proposed that she record a masturbation video once we had built a certain level of trust. After several days of silence, I suddenly received a message one lunch break—it was a video of her masturbating in her workplace restroom, fully dressed in her work clothes. My heart pounded uncontrollably at the shocking content. I never expected her—seemingly innocent yet subtly mature—to do something like this. That video became a window into her true feelings and hidden desires.