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

Please read the description.

outfit1
1girl, solo, long hair, pink hair, low twintails, blue eyes, glasses, large breasts, school uniform, blue bowtie, blazer, red jacket, long sleeves, white skirt

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.