Her model comes out pretty clean on Luminverse and Hassaku at .80 strength. Out of curiosity, did you use any of her CG images from the visual novel? You can find it on Hitomila along with most of the other characters you made models of.

https://hitomi.la/gamecg/elf-no-futagohime-%EF%BD%9E-willan-to-arsura-watashi-wa-dounatte-mo-ii-kara,-oneesama-ni-wa-te-wo-dashinaide...!-%EF%BD%9E-1336953.html#3