He's a dashing musician who rides a combination motorcycle/organ. She's an elder spirit who resembles a young girl, but is also known as "the Crimson Annihilator" and "the Bloody Duchess." Together, they serve the Tsuge Divine Music Players Office, following the song of the open road, orchestrating rescues and generally fixing whatever's baroque! They're not just musical partners, they're professional troubleshooters who provide their own theme music!