weight 0.7 is best.
I created this LoRA as requested.

Please read the description.

outfit1
aaarisu, medium hair, braid, blunt bangs, beret, black headwear, hat ribbon, blue bowtie, red jacket, blazer, long sleeves, white skirt, pleated skirt, garter straps, white thighhighs

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