Cyanotic - Alt Machine [Highschool of the Dead–Opening Theme]
Cyanotic - Alt Machine [Highschool of the Dead - Opening theme]
Cyanotic - Alt Machine (Highschool of the Dead Opening 2)
Cyanotic - Alt Machine [Highschool of the Dead OP]
Cyanotic - Alt Machine ( Opening 1 Highschool of the Dead)