Rem is a maid in service of the Roswaal household, working alongside her twin sister, Ram. She is a key supporting character in the anime series Re: Zero kara Hajimeru Isekai Seikatsu. Rem possesses a demure and polite demeanor, but she is fiercely loyal to those she cares about. Her abilities include exceptional combat skills, magic, and the use of a morning star as a weapon. Throughout the series, she develops a deep emotional connection with the protagonist, Subaru, significantly impacting his journey and personal growth.