about weight idk myself but I would suggest starting with 0.8

style1, includes a lot of art that looks like the original so it might be useful,

school uniform works well just use school uniform then prompts depending on the character (sock lenght etc.)

example: school uniform, collared shirt, white shirt, bowtie, blue skirt, pleated skirt,

saki, 1girl, long hair, red hair, red eyes, hair between eyes,

nagisa, 1girl, blue eyes, side ponytail, blue hair,

mirika, 1girl, blonde hair, green eyes ,twintails, long hair, (upper teeth only, fang)

shino, purple eyes, grey hair, short hair, purple ribbon,