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

touko, 1girl, solo, long hair, blonde hair, brown eyes, looking at viewer, smile, shorts, jacket, jewelry, necklace, hand on hip, shirt, hood, collarbone, short shorts, casual

School uniform Touko:

touko, 1girl, blonde hair, solo, long hair, school uniform, skirt, pleated skirt, smile, brown eyes, serafuku, blue skirt, looking at viewer, collarbone, tsukinomori school uniform

Onstage Touko:

touko, 1girl, gloves, solo, blonde hair, hat, black gloves, earrings, long hair, looking at viewer, white headwear, jewelry, hand on hip, smile, skirt, brown eyes, aiguillette, onstagesk