weight 0.9 is best.

This model is based on the SDXL Pony Model.

I created this LoRA as requested.

outfit1
aayuuna, long hair, pink hair, ponytail, hair ornament, red eyes, magical girl, white sailor collar, white dress, breastplate, red ribbon, arm guards, white gloves, bike shorts, thigh strap

outfit2
aayuuna, short hair, red hair, short ponytail, hair ribbon, hair ornament, red eyes, small breasts, school uniform, white sailor collar, red bowtie, black jacket, long sleeves, white skirt, black thighhighs

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

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