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

Please read the description.

outfit1
aacocoa, short hair, hairclip, hair ornament, red bowtie, collared shirt, white shirt, pink vest, long sleeves, black skirt, black pantyhose

outfit2
aacocoa, short hair, hairclip, hair ornament, collarbone, school uniform, neck ribbon, white sailor collar, pink cardigan, long sleeves, pleated skirt, white skirt

outfit3
aacocoa, short hair, maid headdress, frilled hairband, floppy ears, fake animal ears, white shirt, center frills, underbust, short sleeves, wrist cuffs, waist apron, white apron

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