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

rika, 1girl, eyewear on head, sunglasses, solo, shorts, flower, jewelry, smile, open mouth, yellow flower, hair ornament, hair flower, twintails, denim shorts, breasts, stage outfit, on stage

Casual Rika:

rika, 1girl, solo, one eye closed, breasts, smile, long hair, open mouth, upper body, twintails, ;d, index finger raised, jacket, open clothes, looking at viewer, casual outfit

Bikini Rika:

rika, 1girl, breasts, eyewear on head, swimsuit, twintails, bikini, smile, sunglasses, solo, cleavage, large breasts, looking at viewer, v, navel