Brunette in stockings only ends up doggy style with her boyfriend

Being a student means not only attending lectures, writing notes, doing laboratory work, but also making friends with pretty classmates, such as Bella Luna. Well, today a fan of a pretty beauty invites a girl to visit him, and she, being a fan of BDSM, teaches a friend a completely different science - the science of getting pleasure through sex. And, I must honestly say that she has long learned everything in this matter and it is time for her to move on to coaching.