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

Please read the description.

outfit1
aarurutie,1girl, long hair, twin braids, hair bow, animal ears, tail, sash, japanese clothes, long sleeves, sleeves past wrists, obi

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

Due to the small number of images in the dataset, the character's clothing or pose may not be fully realized.