It is a Lora style of artist hou_jae04.
Illustrious:
Retrained for Illustrious. Works with NoobAI-XL based models like NTR Mix. For better similarity to original style add "simple eyes".
Pony XL:
Retrained for Pony Diffusion.
1.5:
Trained on the NovelAI model. Found it works best with AnythingV3 and AbyssOrangeMix, also good with CounterfeitV25_25.