Bad∞End∞Night, also known as Bad End Night, is a gripping light novel penned by Hitoshizuku-P, drawing inspiration from the renowned Vocaloid songs of the NighT Series. Delving into a dark and enigmatic world, the novel unfolds the harrowing journey of eight trapped performers struggling to find an escape from their perpetual stage nightmare. With a focus on horror and mystery genres, this captivating work appeals to readers fascinated by stories with a female protagonist, based on songs and set in a hauntingly atmospheric universe.