Kohei has suffered from hearing loss since middle school and had trouble fitting in with those around him. Now a university student, Kohei meets the outgoing Taichi in the university courtyard. Their friendship becomes one in which they can say whatever is on their minds, but Kohei, who has grown used to keeping people from getting too close, now faces escalating expectations and anxiety the stronger his bonds with Taichi becomes.
Doi
Thirteen men and women wake up in a mansion, not knowing who each other is or why they have been abducted. To escape from the mansion, infested by Zombies, they must work together but cannot set aside their suspicions that one or more of their number is involved.