Aoba Moca from BanG Dream.
It is 100 official pictures and autotags.
Example prompt for casual Moca:

aobamoca, 1girl, solo, hood, short hair, grey hair, jacket, hood down, shirt, looking at viewer, black shorts, grey jacket, shorts, white shirt, hoodie, collarbone, hooded jacket, drawstring, long sleeves, bike shorts, cslsk

School uniform Moca:

aobamoca, 1girl, solo, necktie, skirt, short hair, school uniform, grey hair, jacket, plaid skirt, striped, looking at viewer, blazer, pleated skirt, plaid, grey jacket, striped necktie, long sleeves, bangs, shirt, collared shirt, miniskirt, white shirt, haneoka school uniform