Group sex belongs to a lot of favorite porn videos. if there are at least three people in it, that's the basic variant, the so-called three.
The maximum number of people is probably not limited, when there are a lot of them so it is called
orgy.
Variation is a lot, young boys and mature women, skinny and chubby, acting beautiful girl and five guys who fuck her.
Also, group sex of seniors or lesbians. There are plenty of amateur group sex, so you just have to choose what takes you the most.
Whether the students, group anal, cum on pussy or something completely different.