Features might include internal structures, phallic designs for male models, or vaginal/culinary areas for female models. Maybe Zhenya comes with a base, while Katya has a stand or additional accessories. Since I don't have real data, I'll need to infer based on common features.
Due to the controversial and often ephemeral nature of such content, detailed information about specific sets (like Y114 or Y11767) is not readily available through standard search engines. Much of the Vladmodels archive now exists only in the form of fragmented discussions on forums or as references in search logs. The websites vladmodels.ru and webmodels.ru are no longer active, and the studio is considered permanently closed.