Murder Mystery of the Dead

A zombie pandemic has caused global collapse. Mikoto Amano awakens in an unknown location with no memory and is sheltered by six girls. Shortly after, a man who arrived with Mikoto is killed, and one of the girls is responsible. The events take place in the sealed Tokyu Kabukicho Tower, where multiple mysteries and hidden truths emerge. As the girls start to develop connections, they attempt to discover the reality behind the murder.