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

saori, 1girl, solo, pants, breasts, flower, cleavage, purple hair, jewelry, hair ornament, denim, navel, hair flower, swimsuit, bikini, smile, open mouth, stage outfit

Casual Saori:

saori, 1girl, solo, pants, purple hair, denim, jeans, necklace, sweater, jewelry, short hair, long sleeves, blush, grey sweater, casual outfit

Bikini Saori:

saori, 1girl, breasts, swimsuit, bikini, green eyes, solo, sunglasses, eyewear on head, large breasts, hair bun, flower, double bun, purple hair, cleavage