Lora trained on Guided Penetration.
Hands are shit, from behind is pretty mixed results.
This is on dim 8 ima try training on dim 16 and see if I get anything better if not this is it.
Works with character loras at least mine that is.
From front example prompt:
<lora:guipen-000015:1>, gp1, 1boy, bed sheet, brown background, uncensored, collarbone, completely nude, cowgirl position, gradient background, vaginal, sex, large breasts, looking at viewer, navel, nipples, nude, open mouth, pov,
From behind example prompt:
<lora:guipen-000015:1>, gpbk1, back, uncensored, cowgirl position, erection, imminent penetration, just the tip, kneeling, long hair, straddling, testicles, thighs, brown hair, brown eyes,