You can also try other settings.
Use the Adetailer.
Recommended use:
SD 1.5 v1.0
Sampling method Euler a, weight 0.8, 30 steps.
Trigger Words:
kang yuna, blueish-gray eyes, black hair, long hair, medium breasts, navel, belt, black turtleneck, long sleeves, blue jeans, brown knee boots,