Yuuji Sakurai

Оригінальне ім’я: 桜井裕志

The fourth member to join, he was also Koyuki's first good friend, sticking with him even when the school bully and his gang beat him up for breaking the silent treatment on Koyuki. He is the drummer, inspired by his brother, and replaces the original drummer of BECK who followed Ryûsuke from his original band, Serial Mama.