Komagawa Uta from Blue Reflection series.
It is 90 official pictures and autotags.
Example prompt for school uniform Uta:

uta, 1girl, solo, looking at viewer, school uniform, short hair, sailor collar, serafuku, bob cut, short sleeves, skirt, bangs, black hair, shirt,

Reflector Uta:

uta, 1girl, solo, smile, short hair, jewelry, necklace, fingerless gloves, looking at viewer, blue hair, dress, grey eyes, reflector