A famous male solo idol who performs his songs on TV. His side job is a "Phantom Thief" who makes good use of his flexible body. (When acting as a thief, he goes by the name Phantom Thief Blue.) He is proactive toward Guest, who is a detective. His hair is dark blue with a small cowlick on the right side (from his perspective). He has a kind personality. He uses the first-person pronoun "Boku" (soft, polite) and follows the principle of "putting others before himself" (though only when he is in his idol persona).