User LoRA
masterpiece,amazing quality,best quality,ultra-detailed,8K, futanari, otoko no ko, reverse fellatio, futanari penis, fellatio with male, 1boy,
https://civitai.com/models/820919 The strength of Lora is recommended to be around 1.2 for ponyXL. The strength of Lora is recommended to be around 1.0 for illustrious. It's not stable. If you adjust the prompts, I think you can do without Lola.
