weight 0.9 is best.

This model is based on the SDXL Pony Model.
It doesn't work well with Animagine XL Checkpoint.

I created this LoRA as requested.

outfit1
aahotaru, long hair, grey hair, black hairband, hair ornament, hair ribbon, multicolored eyes, breasts, black cape, dress, long sleeves, green skirt

outfit2
aahotaru, long hair, grey hair, black hairband, hair ornament, hair ribbon, multicolored eyes, breasts, white bodysuit, plugsuit

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

In the sample images, used hires.fix and the extension Adetailer.