weight 0.9 is best.

This model is based on the SDXL Pony Model.

I created this LoRA as requested.

outfit1
aatimil, long hair, brown hair, low twintails, hair ornament, blue eyes, small breasts, school uniform, red bowtie, white shirt, sweater vest, yellow sweater, long sleeves, brown skirt, white thighhighs

outfit2
aatimil, long hair, brown hair, low twintails, hair ornament, blue eyes, small breasts, magical girl, purple shirt, sleeveless, detached sleeves, fingerless gloves, black gloves, white skirt

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

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