Kei seeing his ghost when he was a child
Kei being experimented on
Kei's group arriving at the forge security building
Kei about to escape by sea
Kei vowing to take down Satō
Kei featured on volume 1 of the BDs.
Kei featured on volume 4 of the BDs.
Kei featured on volume 6 of the BDs.
Kei featured on volume 7 of the BDs.
Kei featured on volume 12 of the BDs.
Extra cover from volume 1
Extra cover from volume 8