Proclaiming to be a vampire, Rei is a knowledgeable person who lacks energy during the daytime. He is kind-hearted, sophisticated, profound, and never act without full consideration.
He highly values his companions and dotes on his younger brother, Ritsu Sakuma. With a glamorous, mellow, and fascinating singing voice, Rei delivers tender yet powerful performances.
Rei is the leader of UNDEAD at Rhythm Link. Rei goes by he/him pronouns, he's 179cm, he's good at jazz dance. 