weight 0.7 is best.
I created this LoRA as requested.
outfit1aayukino, long hair, ahoge, hair ribbon, school uniform, neck ribbon, collared shirt, blazer, black jacket, long sleeves, plaid skirt, black thighhighs
outfit2aayukino, long hair, ahoge, hair ribbon, collarbone, neck ribbon, white shirt, short sleeves, plaid skirt
I uploaded a sample image of the outfit as a post.