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

Please read the description.

outfit1
aaema, long hair, gradient hair, hair ornament, lace choker, black choker, bare shoulders, criss-cross halter, blue dress, frils, black bow, black gloves, thigh strap, fishnet, single thighhigh


outfit2
aaema, long hair, gradient hair, hairband, earrings, blue necktie, collared shirt, white dress, white coat, armband, long sleeves, black gloves, black belt, garter straps, black thighhighs


outfit3
aaema, short hair, gradient hair, hair flower, earrings, necklace, white shirt, print dress, aqua dressbelt, floral print, long sleeves

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