I use this LoRA at strength 1.
Tags that may help, besides the trigger words:

Positive

• penis, testicles, tucked penis, erection, large penis,

• dildo, flesh-colored dildo, black dildo, colored dildo, sex machine, dildo balls, object insertion, anal,

• futanari masturbation, close-up, masturbation, male masturbation, futanari, dildo riding, male focus,

• holding sex toy, spread legs, head out of frame, squatting,

Negative

• 2boys, 1boy, shota, multiple boys, yaoi, gay,