The above discussion cries out for a further discussion that includes race in representation and spectatorship.
People are highly selective in what they see in what they are viewing.
In it, a fairly large group of guys ejaculate one by one or in pairs, on a woman who starts out with a solo masturbation with dildo. So, after the initial female performance, all the screen time consists of penises ejaculating, although the woman remains in the center of the frame.