Azai Eimi from D4DJ.
It is 60 official pictures and autotags.
Example prompt for stage outfit Eimi:

eimi, 1girl, solo, black hair, multicolored hair, streaked hair, dress, chain, breasts, :3, collar, tail, black dress, looking at viewer, ahoge, short hair, belt, blush, long sleeves, black eyes, ribbon, mole, smile, stgotf

School uniform Eimi:

eimi, 1girl, solo, skirt, black hair, choker, multicolored hair, plaid skirt, streaked hair, ahoge, smile, black choker, short hair, looking at viewer, white shirt, plaid, shirt, black eyes, short sleeves, pleated skirt, bangs, mole, school uniform, summer school uniform

Casual Eimi:

eimi, 1girl, solo, skirt, thighhighs, black hair, shirt, choker, streaked hair, smile, black thighhighs, arm warmers, black shirt, multicolored hair, jewelry, short sleeves, ahoge, blonde hair, zettai ryouiki, looking at viewer, short hair, plaid, black choker, closed mouth, mask on chin, cslsk