★ 4.1
★ 4.6
★ 5.1
★ 5.6
★ 6.2
★ 3.9
★ 5.0
★ 6.5
★ 3.1
★ 6.3
★ 3.8
★ 5.3
★ 3.7
★ 2.6
★ 4.3
★ 4.2
A few couples initiate inquisitive sex techniques in complicated positions while a scientific commentary provides the cultural-historical background.
