to keep close to her old design try any of these - or put in Neg ( when altering appearance/outfit)
may need to add 3d, or realistic, in neg for certain 2d/anime styles - lower weight for less 3d influence - 0.8 between 0.6
PonyXL - need a XL VAE this can work with any model that is PonyXL or was merged/trained from it - TW is inaraxl,
For appearance
Inara, long brown hair, yellow eyes,
skin is stone like or pale / grey skin,
for attire
flower hair ornament ,midriff, bare shoulders, detached sleeves ,long skirt,
metal collar,
floating sash, floating rocks, - results may vary
outfit may sometimes turn yellow - yellow attire, in neg may help