She catches her son with her boyfriend and they end up having a threesome

The boy was in the garden with his boyfriend, kissing passionately. but in that moment of passion the father of one of the boys arrived and separated them. they both thought that he saw it badly and that he would object to what he was doing, but they were wrong. the only thing that was wrong is that they had not counted on him, since he wanted to have a threesome. and the fact that one of them was his own child didn't seem to matter in the least. they began to undress, to kiss, to touch ... until finally the penetrations of course came. they did several crazy things with almost impossible positions, but that excited them a lot. they even carried out the well-known gay train, that of course they would never forget. in the end they all ended up cumming.