This is a LoRA trained on a dataset generated using Midjourney and its "sref" style capabilities. A typical original prompt:

Neon style, studio award-winning photography; ... ... A young woman with very long, straight purple hair and bright yellow eyes stands solo, looking at the viewer. She wears a sleeveless grey sundress adorned with a blue ribbon and a large bow at the collarbone. On her head, she has a straw sun hat decorated with a purple bow and a yellow flower. In her hands, she holds a bouquet of sunflowers, adding a cheerful touch to her outfit --style raw --sref 3470341003 --v 6.1