My relationship with my coworker began after we got drunk at a post-work drinking party and ended up having sex. Although she had recently gotten married, making the idea of adultery feel heavy, our bond kept deepening. I wasn't satisfied with just meeting at love hotels after work—I started seeking chances to be alone with her in the office. Fortunately, when the other employees were out, I got her to suck my cock. At first she resisted, but I made her give me a blowjob until she came. Turns out she really enjoys sex. It was insanely exciting doing it in the office—our usual workplace—and filming the whole thing. I couldn't forget that thrill and eagerly waited for the next opportunity. Finally, that day came. Using an adult toy on her at the office, I enjoyed the taboo thrill while watching her reactions. Her surprised yet delighted expression left a strong impression. Then, I finally penetrated her and creampie'd her right there in the company. No one else would have imagined we were doing something like this. This experience brought us even closer.