This is about Amayui Moka (甘結もか), a vtuber from Vspo!.

Prompt : amayui moca, twin braids, flower, hood, hood up, long sleeves, dress, white thighhighs

You can add grey eyes for increase accuration.
(SD 1.5 ver : https://civitai.com/models/926809/amayui-moka-vspo)