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

Please read the description.

outfit1 (jacket)
aakusanagi, short hair, purple hair, large breasts, cleavage, leotard, highleg leotard, black jacket, open jacket, fingerless gloves, white belt, thighhighs

outfit2 (no jacket)
aakusanagi, short hair, purple hair, large breasts, cleavage, white leotard, highleg leotard, bare shoulders, white belt, thighhighs

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