This is not my model to begin with, you can find it here.
Meru the Succubus (illustrious SDXL LoRA)

Recommended settings:

Base Model: Illustrious (may also work with PONY, SDXL)
Steps: 30
Guidance: 5 - 7
Sampler: DPM++ 2M SDE Karras

Positive prompt:
masterpiece, best quality, amazing quality, very aesthetic, absurdres, newest, <Your prompt>

Negative prompt:
lowres, (worst quality, bad quality:1.2), bad anatomy, sketch, jpeg artifacts, signature, watermark, old, oldest, censored, bar_censor, simple background

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All credits to Midnightcrawler