weight 0.7~0.8 is best.
I created this LoRA as requested.

Please read the description.

outfit1
aafern, long hair, purple hair, blunt bangs, purple eyes, large breasts, long dress, white dress, black robe, long sleeves


outfit2 (without robe) - white sleeves
aafern, long hair, purple hair, blunt bangs, purple eyes, large breasts, long dress, white dress, white sleeves


outfit2 (without robe) - sleeveless
aafern, long hair, purple hair, blunt bangs, purple eyes, large breasts, long dress, white dress, sleeveless

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