weight 0.9 is best.

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

outfit1
aatakagi, solo, long hair, brown hair, parted bangs, collarbone, serafuku, sailor collar, red neckerchief, white shirt, short sleeves, pleated skirt, blue skirt

outfit2 (long hair)
aatakagi, solo, long hair, brown hair, parted bangs, frilled bikini, pink bikini

outfit2 (hair bun)
aatakagi, solo, brown hair, single hair bun, parted bangs, frilled bikini, pink bikini

outfit3
aatakagi, solo, aged up, long hair, brown hair, low ponytail, parted bangs, black shirt, long long sleeves, jeans, pants

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

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