Koichi Sakakibara

Koichi Sakakibara (榊原 耕一Sakakibara Kōichi? )  is the original Ryuki before Shinji Kido that appears in 13 Riders TV Special. In original TV series. his name was mentioned.

Fictional character biography
He is a man who lives in an apartment where Shinji found a Card Deck that leads him to become Kamen Rider Ryuki. He disappeared prior to the start of the series, possibly eaten by Dragredder. In the 13 Riders TV special, Sakakibara is the original Ryuki before the latter passes his deck to Shinji (he could no longer go on due to the severity of his injuries) as he dissolves inside the Mirror World.

Kamen Rider Ryuki
Unlike Shinji, he only shown to be used normal standard form in 13 Riders TV Special. ​This is Ryuki's standard form that he had throughout most of the series, obtained once he forms his contract with Dragredder. A "balanced" Rider with equally powerful melee and far-range fighting capabilities, he uses the Drag Visor gauntlet on his left forearm to use Advent Cards.
 * Height: 190 cm
 * Ryuki.jpgWeight: 90kg
 * Punching Power: 10t (AP: 200)
 * Kicking Power: 20t (AP: 400)
 * Maximum Jump Height: 35m
 * Maximum Running Speed: 72km/h
 * Sight and Hearing: 15km radius

Advent cards