The other day, when I went to wake my son up, he suddenly asked me to rub his breasts. I was confused, but I did as he asked for my only son. However, my body was flushed with excitement after a long time, and I made a move on a part-time worker at my workplace named Masashi. I had no idea that Masashi was my son's friend... Later, when my son heard about it from Masashi, he came on to me...