Touma Kamiyama is Kamen Rider Saber and the titular main protagonist of Kamen Rider Saber.
He is portrayed by Syuichiro Naito.
As a child, Touma was present during an attack by the Megiddo where he was saved by the current Kamen Rider Saber. Later on, Touma would inherit that Saber's Wonder Ride Book and become next in line to become Saber.
When the city was attacked by the Golem Megiddo created by Regiel, Touma was mysteriously given the Seiken Swordriver and used the Brave Dragon Wonder Ride Book to become Kamen Rider Saber. As Saber, he fought and destroyed the Golem Megiddo, returning the city to normal.
Kamen Rider X
Kamen Rider Amazon
Kamen Rider Super-1
Kamen Rider ZX
Kamen Rider Black/RX
Kamen Rider Kuuga