weight could be 0.6 - 0.8( makes it flexible for styles ) - trained for 768 ( may have better details) - SFW/NSFW
try any of these for default look - or put in Neg to reduce chance (making changes)
may need to add 3d, or realistic, in neg for certain 2d/anime styles due to having more 3d image training
face/body
Yui, blonde hair, brown eyes,
eyes may be pink-ish,
Outfit
goggles on head, pink shirt, or crop top, midriff, or navel, jacket, pants, necklace,