I've always been confident in my physical strength, so I got a job at a delivery company. Carrying heavy packages is hard work, but it's rewarding. I was having a fulfilling day, but one day, I was seduced by a beautiful woman with big breasts at a delivery destination. She played with my nipples through my sweaty clothes, and I got an erection without even thinking about it! Even though I was at work, I ended up having sex with her and cumming inside her, and from that day on, I was so busy with sex that I neglected my work...