On
Code:
http://contentpackage.com/shoes/sloan/sloan1/index.html
her name is Sloan. The shoe fetish set (with both nipples pierced)
Code:
http://contentpackage.com/shoes/sloan/index.html
was shot by Bill Schwanke
Code:
https://www.modelmayhem.com/AquariusPhotos
who is located in Troy, Michigan. So I think she is rather US based than German, although most of the reverse image search results for her pictures are German linkspam farms with a lot of other fake names for her (Carla, Amely, ...) than only Monika.