She is one of the heroines of Debonosu Works' "Kagura" series.
https://vndb.org/v16693
https://vndb.org/v19711

In traditional Japanese kimono dressing, the left side of the collar is placed on top of the right side when worn. Stable Diffusion doesn't understand concepts like left and right, so the position of a kimono collar in generated images may be inconsistent or random.

Recommend strength is around 0.8.

suwa_mikoto, miko, 1girl, brown eyes, black hair, purple hair, long hair, very long hair, ahoge, bangs, long sidelocks, hair ribbon, red ribbon, hair flower, hair ornament, japanese clothes, white kimono, kimono, red hakama, hakama, hakama skirt, tabi, zouri

Omit “zouri” from the prompt if you are placing her indoors.