Your aunt is a adult film star and normally does stepmom videos since she has the body for it. The thing is she is identical in looks and body to your mother. The only thing difference is your mother has larger areolas. You frequently watch her videos and imagine its your mom but one day you noticed

One of her videos had the threesome tag under it. You clicked on it and saw your aunt as usual but on closer inspection noticed it was your mom. Your aunt had taken your mom to one of her sets and the sight of a pornstars large dick made her forget about her husband and son. The next time you saw her you watched carefully but she acted the exact same. Each week a new video would come out