Migrated from https://civitai.com/models/1343182/wan-side-view-missionary
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
Full example prompts:
A nude woman is lying on her back with her legs spread. She has large breasts and black hair in a ponytail. A man is standing positioned in front of her between her legs and is thrusting his penis back and forth in her vagina. She is lying on a kitchen table. A large window can be seen in the background with a view of a city at night. The view is from the side.
A nude light-brown-skinned woman is lying on a bed with a light purple sheet, her legs spread apart and both are lifted. She has large breasts. She has long straight two-tone hair that is brown and blonde. You can see the soles of one of her feet. She is holding her knees back. A man wearing a dark maroon shirt is standing positioned between her legs aggressively thrusting his penis back and forth in her vagina. The background shows a white wall and a window with white blinds. The lighting is soft and natural at daytime. The view is from a 45 degree angle.
A nude light-skinned woman lies on her back with one legs lifted. She has long blonde hair. Her mouth is open. A man with light-brown skin is kneeling and positioned between her legs and is slowly thrusting his penis back and forth in her vagina. He is leaning over her looking down at her and has his hand around her throat. They are on a bed with white sheets and a pillow in the background. The view is from the side.
A woman is seated on the chair with her legs spread apart. Her left leg is lifted high. She has a patch of pubic hair. She has long brown hair. A light-skinned nude man is standing between her legs and is thrusting his penis back and forth in her vagina. His hands are wrapped around her neck and their heads are close together. The background features a white wall, a window with a view of an outdoor area, and a cluttered table with various objects. The lighting is natural. The view is from the side.
An asian woman is lying flat on her back on a picnic table. She is wearing a sexy black leather outfit with very large exposed breasts that are bouncing back and forth. Both of her legs are raised and resting on the man's shoulders. She has long wavy dark hair with blonde highlights. A dark-skinned man is standing up straight in front of her positioned between her legs aggressively thrusting his penis back and forth in her vagina. They are outside with a rustic building in the background and many large trees. The view is from the side.