weight 0.9 is best.

This model is based on the SDXL Pony Model.
It doesn't work with Animagine XL Checkpoint.

I created this LoRA as requested.

outfit1
aamomo, short hair, purple hair, cone hair bun, green eyes, small breasts, blue bowtie, white shirt, long sleeves, buttons, white pants

outfit2
aamomo, short hair, purple hair, cone hair bun, green eyes, small breasts, school uniform, plaid bowtie, red bowtie, blazer, blue jacket, long sleeves, plaid skirt, brown skirt

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

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