i started watching this couple like 3 or 4 days ago and i was just wondering who is the top and who's the bottom (i need this info for my fantasies *..* )

Not only is this question absolutely absurd, but it’s offensive as well. It doesn’t matter how they have sex. It’s irrelevant information. Fantasies are fantasies. They’re not real. You can make them whatever you want to be so you can think about them having sex in whatever way you want.