Yuzuru Yamai is a fictional character from the anime series Date A Live. She is one of the Yamai Sisters, who are powerful Spirits. Yuzuru exhibits a calm and collected demeanor compared to her twin sister, Kaguya. She often speaks in a robotic manner, emphasizing her words with succinct precision. In the series, Yuzuru and Kaguya initially appear as antagonists challenging each other for dominance but later become allies of the protagonist, Shido Itsuka. Their storyline explores themes of identity and unity as they strive to understand their individuality while being spiritually linked.