Murder Mystery of the Dead - S01

In a world ravaged by a zombie pandemic, the protagonist, Mikoto Amano, wakes up in a strange place with no memories. Six girls take her in: Ranna, Lili, Yuu, Fumika, Murumuru, and Rumina. But their peaceful days are shattered when a shocking event occurs: the man who was rescued along with Mikoto is brutally murdered. The killer is one of them, and anyone could be the next target... Set in the Tokyu Kabukicho Tower, the story plays out in this now sealed-off high-rise, where mysteries and secrets strike one after another. As friendships begin to form among the girls, can they uncover the truth behind the incident?