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

Please read the description.

outfit1
aayuika, vey long hair, gradient hair, pink hair, white hair, low ponytail, hair ribbon, hairclip, red bow, brown cardigan, long sleeves, sleeves past wrists, pleated skirt, red skirt, plaid skirt

outfit2
bbyuika, long hair, pink hair, animal ears, hair ornament, miko, japanese clothes, white kimono, ribbon-trimmed sleeves, wide sleeves, sleeves past wrists, red hakama, hakama skirt


outfit3
ccyuika, very long hair, gradient hair, pink hair, white hair, low ponytail, hair ribbon, hairclip, headphones around neck, hood, black hoodie, long sleeves


outfit4
ddyuika, long hair, gradient hair, pink hair, white hair, hairclip, necklace, bare shoulders, cleavage, frilled bikini, pink bikini, plaid bikini

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