So, not sure if this deserves full character/copyright tags, but the character's name is Ashley Hazel Blackmoor (アシュレイ・ヘーゼル・ブラックモア) from something called Baroque Night Eclipse (see source site).
バロックナイトイクリプス (Baroque Night Eclipse) is TeamChocolop'splay-by-web role-playing game. Players can order avatar images from "Visual Creators" (contract illustrators).