Synopsis: Shinomiya Kouta wa Mada Shinenai -Border of the Dead-

A decade ago, a novel illness that transformed people into undead beings struck approximately 7.6% of the global populace. Dubbed "border," this condition rendered them lifeless, despite being functionally alive. Amid a world in which the line separating the living and the deceased is blurring, a teenage sleuth and a girl suffering from border join forces.