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

Please read the description.

outfit1
aaazuma, long hair, black hair, hairclip, hair flaps, neck ribbon, white ribbon, white shirt, sleeveless, black gloves, underbust, buttons, white skirt, black pantyhose


outfit2 - NOT PERFECT (Fewer dataset images)
bbazuma, long hair, black hair, hair flower, white flower, cleavage, shoulder tattoo, chinese dress, sleeveless, pelvic curtain, garter straps, black thighhighs


outfit3
ccazuma, long hair, hair bow, white bow, head wreath, bridal veil, collarbone, cleavage, wedding dress, white dress, white gloves, white thighhighs

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