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

Please read the description.

outfit1
aamimi, long hair, grey hair, twintails, streaked hair, braid, black hairband, rabbit ears, hair ribbon, thick eyebrows, bare shoulders, blue bowtie, blue dress, detached sleeves, blue sleeves, black bow, black skirt, black thighhighs


outfit2
bbmimi, short hair, grey hair, streaked hair, braid, x hair ornament, thick eyebrows, black choker, white hoodie, hood down, long sleeves, midriff, black shorts, thigh strap, fishnet pantyhose


outfit3 (not perfect)
ccmimi, long hair, grey hair, streaked hair, fake animal ears, hairband, hair ornament, thick eyebrows, white shirt, suspenders, cleavage cutout, off shoulder, black jacket, long sleeves, pleated skirt, blue skirt, single thighhigh, fishnets


outfit4
ddmimi, long hair, grey hair, twintails, hair bow, streaked hair, maid headdress, hair ornament, hairclip, animal ears, piercing, track jacket, long sleeves, sleeves past fingers, frills, white apron, bandaid on leg

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