[Machine Translation] Please save me. I don't care if you are an angel or a demon. Aria, a descendant of "Sirens," who charms people with her singing, is revered by the people as an angel of salvation who delivers the voice of God. However, when a saintly woman starts a rumor that the Sirens are demons that deceive people, the rumor spreads, and war breaks out. Unable to escape anywhere, Aria awaits death in despair and seeks help from the Grand Duke Valentine, who is called "the devil. In his arms, Aria sings in whispers and draws her last breath... but...?