Yuki Nonaka is a central character in the anime series Shinmai Maou no Testament. She is a childhood friend of the protagonist, Basara Tojo, and a member of the Hero Clan. Yuki is known for her calm and composed demeanor, often displaying a stoic personality. Despite her reserved nature, she harbors deep feelings for Basara, which sometimes cause her to act emotionally. As a hero, Yuki possesses formidable combat abilities and is skilled in using ice magic. Her dedication to protecting those she cares about often puts her in challenging situations in the series.