Nobody is smiling with their eyes in this production. The director's have chosen a somewhat harsh approach to the physical encounters. There's no violence, per se, but there's no discernible fun or sense of enjoyment to be found, either.
This is one of those efforts where it appears women have been offered (and accepted) money to go into a room and let guys 'do stuff' to them.
The girls are quite attractive, there's plenty of sexual activity, there's nothing inherently bad happening - but the net result is rather non-sexy.
HOWEVER, you know what YOU like - maybe this is it - but it did not suit my taste. Sorry...