Dad, is it normal for the doctor to do this to me?

Father and son went together for a medical check-up, but the truth is that some tests did not correspond. the boy asked his father, but the man did not answer him, for him everything was normal. he ended up totally naked while the doctor touched his body incessantly, until it was his father's turn. the man did exactly the same, staying also naked, and finally the real intentions of that health professional were seen, he wanted to fuck them. in this way he grabbed the father's cock while the boy ate the doctor's tail until they reached penetration. they even dared to make the famous little train leaving the boy in the middle, and as expected, the three of them ended up running like never before.