Since the day Yukimura Aoi fell from the building, Yasukawa Seiji hasn't sung a single opera.
He's been restless, always feeling like someone is watching this apartment floor. Occasionally, when he went out to buy essential goods, he vaguely felt someone was following him.
But whenever he turned around or looked out the window, he found nothing—no ghostly figure, no human silhouette. The apartment building was oppressively silent.
At first, he thought it was just his guilty conscience making him paranoid.
Yet, as time passed, the sense of being watched grew stronger. Yasukawa Seiji was certain that someone was surveilling him. Though they did nothing else, it left him feeling prickled.
