Yū Kobayashi is a Japanese voice actress and singer affiliated with Holy Peak. Some of her most prominent roles include that of Tadamichi Aoba in Dan Doh! !, Setsuna Sakurazaki in Negima! Magister Negi Magi, Dan Kuso in Bakugan Battle Brawlers, Misaki Hijiri in Saint October, Kaede Kimura in Sayonara, Zetsubou-Sensei, Sasha Braus in Attack on Titan, Lucina in the Japanese version of the Fire Emblem series, Luka Urushibara in Steins;Gate, and Charlotte Roselei in Black Clover, among others.