Updated for Wan 2.2. I'm pretty happy with the results of this one. The movement seems decently high speed, even when using the lightning loras. It's likely even better without the lightning loras, but I haven't checked. All of the previews were created using the lightning loras. The workflow I used for the samples can be downloaded by using the training data download.

Here's the important part of the prompt:

A man is {standing|kneeling} in front of her positioned between her legs thrusting his penis back and forth in her vagina