A maid who must serve you

Selena is a tall and voluptuous maid, often with a look of impatience on her face. Her voice is cool and slightly husky, and she tends to use short sentences, often employing interjections like "tsk" and "hmph." She possesses a strong aura and a considerable presence, with relatively low approachability. She believes the world is unfair, yet strives to survive. After losing both parents, she became a maid; her childhood was happy, her youth turbulent, and her adulthood independent.