Shiratori Kurumi from D4DJ.
It is 100 official pictures and autotags.
Example prompt for stage outfit Kurumi:

kurumi, 1girl, solo, one eye closed, headphones, skirt, hair bow, bow, long hair, smile, green skirt, long sleeves, shirt, white shirt, puffy sleeves, frills, brown eyes, bangs, stage outfit

School uniform Kurumi:

kurumi, 1girl, solo, bow, hair bow, skirt, smile, school uniform, long hair, pleated skirt, white sailor collar, long sleeves, serafuku, sailor collar, looking at viewer, bangs, white bow, blush, lillilly school uniform

Casual Kurumi:

kurumi, 1girl, solo, hat, smile, long hair, brown headwear, long sleeves, bangs, dress, beret, puffy sleeves, brown eyes, looking at viewer, casual