Yuu Higashiyama  

, 東山 有

Yuu is a young girl who enjoys the Rebirth card game. Her hair is short and pink, styled in a bun on her left side. She has purple eyes. Yuu and Kei Todo have been friends since childhood and attend different schools, but they maintain their friendship through text messaging, video calls, and package deliveries via Shuukos pet flying squirrel. Additionally, Yuu is teammates with Chiharu Wakamiya and Shuuko Mino in the Rebirth game.