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

Please read the description.

outfit1
maemiku, short hair, fang, hair flower, red flower, collarbone, cleavage, sweater dress, long sleeves, sleeves past wrists


outfit2
maemiku, short hair, fang, school uniform, red bow, collared shirt, blue jacket, blazer, long sleeves, pleated skirt, grey skirt, black thighhighs


Recommended outfit1
maemiku, short hair, fang, animal ears, cat tail, hair ornament, shirt, cropped jacket, sleeveless, detached sleeves, gloves, animal hands, short shorts, black shorts


Recommended outfit2
maemiku, short hair, ponytail, fang, animal ears, cat tail, hair ornament, hair ribbon, medium breasts, dress

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

By and large, it works well no matter what outfit prompt you enter.
Since there are so many different types of idol outfits, I just mixed them all together.