weight 0.9 is best.

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

I created this LoRA as requested.

outfit1
aamitsuha, black hair, short ponytail, hair ribbon, brown eyes, school uniform, red bowtie, collared shirt, white shirt, short sleeves, pleated skirt, black skirt

outfit2
bbmitsuha, short hair, black hair, red hairband, hair ribbon, brown eyes, school uniform, red bowtie, collared shirt, white shirt, sweater vest, long sleeves, pleated skirt, black skirt

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

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