*SLEEPLESS Nocturne*—the sequel to *SLEEPLESS*, a title featuring a dominant "Empress" figure from the original creators at Empress—is now being adapted into an adult anime. Yuki Kawai and Yukino Komori are a college couple who have just started dating. During an unfamiliar driving date, their car breaks down; seeking help, they head toward a mansion they spotted along the way. —The Black Rose Mansion, a Western-style house standing quietly deep in the mountains. Little do they know, they are about to become prey at a bizarre banquet held within...