Three weeks after Jinu's disappearance, Rumi's world stands still. The demons are defeated - but something inside her tells her the fight isn't over. While her band is falling apart and her foster mother Celine tries to control her, something begins to flicker in Rumi once more: the old demon mark - and a song that was never meant to exist. "Silhouette Light" - a track that suddenly appears on her phone. With Jinu's voice. With his whisper. Was his sacrifice really the end?