Lydia Leinster (リディヤ・リンスター) - Private Tutor to the Duke's Daughter (Koujo Denka no Kateikyoushi) (公女殿下の家庭教師)

https://civitai.com/models/1987599/lydia-leinster-private-tutor-to-the-dukes-daughter-koujo-denka-no-kateikyoushi