A black guy who is fit and handsome.
However, porn has long been doing that.
This is one of the most consumed porn plots in the history of porn consumption.
Whereas black men also similarly think of fucking white girls for they are petite and on the sweeter side.
This is the reason why Korean and Japanese porn are incredibly popular—especially the latter.
It plays well to the delusions and thus helps more when you are trying to jerk off to imaginations.