This is about Hanamiya Rica (花宮莉歌), formerly Rica(利香), a independent vtuber.
Prompt :
hanamiya rica, long hair, hair ornament, braid, earrings, hair ribbon, beret, black bowtie, white shirt, frills, sleeveless shirt, black jacket, off shoulder, long sleeves, black skirt, fishnet thighhighs, single thighhigh, thigh strap