to keep close to her old design try any of these - or put in Neg to reduce chance - SFW/NSFW
may need to add 3d, or realistic, in neg for certain 2d/anime styles due to having more 3d image training - or lower weight for less influence -
face/body
Yuika, brown hair, brown eyes, short hair, lips,
Outfit
school uniform, or serafuku, blue skirt, or orange shirt, sleeveless, cleavage,
https://civitai.com/models/254643?modelVersionId=287057
