Video Transcription
You can see that she has a very nice athletic figure, not too much extra body fat.
From behind in the doggy style position, the anus has very easy entry from behind.
And the vagina, though just a little bit recessed, is not very hard to get into either.
It'll be a little bit easier for a fixed vagina doll.
If you get this doll, a fixed vagina will be easier to get into from behind.