weight 0.9 is best.

This model is based on the SDXL Pony Model.

I created this LoRA as requested.

outfit1 (with jacket)
aaiono, long hair, multicolored hair, bow-shaped hair, hair ornament, gradient eyes, sharp teeth, halterneck, sleeveless, yellow jacket, very long sleeves, sleeves past wrists, thigh strap, single leg pantyhose, grey pantyhose

outfit2 (without jacket)
aaiono, long hair, multicolored hair, bow-shaped hair, hair ornament, gradient eyes, sharp teeth, breasts, halterneck, grey dress, sleeveless, bare arms, bike shorts, shorts under dress, thigh strap, single leg pantyhose, grey pantyhose

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

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