Also known as: 和倉優希
The titular main protagonist of Mato Seihei No Slave.
He serves as the dorm manager for the Anti-Demon Corps. He was previously a third-year high school student, but enters the Anti-Demon Corps after entering a gate that appeared. During the events of the series, he would eventually become the slave of Uzen Kyouka, whose ability allows him to transform into a beast that grants him superhuman capabilities.
He is a well-built young man with Black Hair and Blue Eyes.