Recommended settings:
VAE: vae-ft-mse-840000-ema-pruned (For realistic models)
Sampler: DPM++ 2M Karras (Recommended for best quality, you may try other samplers), Euler a (For Smooth Image)
Steps: 20 to 40
Clipskip: 1 or 2
CFG Scale : 5 to 9
LORA weight for txt2img: anywhere between 0.2 to 0.7 are recommended
Denoise strength for img2img: 0.3 to 0.7
Use Inpainting For A Better Result
User your creativity...lol
Disclaimer
Creation of SFW and NSFW images is user's decision, user has complete control over to generate NSFW content whether or not.