weight 0.9 is best.

This model is based on the SDXL Pony Model.

I created this LoRA as requested.

outfit1
aaeinhard, aged down, long hair, green hair, ahoge, twintails, hair ribbon, heterochromia, small breasts, school uniform, red ascot, white shirt, puffy short sleeves, cross-laced clothes, high-waist skirt, green skirt

outfit2
aaeinhard, aged up, long hair, green hair, ahoge, twintails, hair ribbon, heterochromia, medium breasts, green shirt, white vest, long sleeves, fingerless gloves, black gloves, black belt, black leotard, showgirl skirt, green skirt, white thighhighs

I uploaded a sample image of the outfit as a post.

In the sample images, used hires.fix and the extension Adetailer.