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

Please read the description.

outfit1
aasodachi, long hair, twintails, brown eyes, school uniform, necktie, pink shirt, puffy sleeves, long sleeves, purple skirt, black pantyhose


outfit2
aasodachi, long hair, twintails, brown eyes, collarbone, bare shoulders, frills, yellow camisole, polka dot, yellow shorts

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