weight 0.9 is best.

This model is based on the SDXL Pony Model.

I created this LoRA as requested.

outfit1
aaserena, multicolored hair, blue hair, ponytail, hair bow, green eyes, breasts, black shirt, red jacket, single glove, fingerless gloves, brown gloves, buttons, belt, o-ring, shorts under skirt, red skirt, bike shorts

outfit2
bbserena, multicolored hair, blue hair, ponytail, hair bow, green eyes, breasts, black shirt, cropped jacket, red jacket, bracelet, belt, miniskirt, white skirt

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

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