Shinji Tatsumi

Kamen Rider Ryuki (仮面ライダー龍騎, Kamen Raidā Ryūki) is the primary protagonist and eponymous character of the 2002 Kamen Rider Series, Kamen Rider Ryuki. An alternate incarnation of the character appears in the 2009 Kamen Rider Series Kamen Rider Decade.

Shinji
Shinji Tatsumi (辰巳 シンジ, Tatsumi Shinji) portrayed by Momosuke Mizutani}} is young man who originally worked for the Atashi Journal as its photographer. However, when his editor Reiko Momoi is mysteriously murdered, Shinji becomes Kamen Rider Ryuki to investigate it while joining the Kamen Rider Trial that would judge the fate of the suspected murderer: Natsumi Hikari.

Fictional character biography
As the trial begins, Shinji crosses paths with Yuusuke and Tsukasa, who represents Natsumi as her defense attorney. After telling them what the offical sources say behind Reiko's death, Shinji accompanies Tsukasa and Yuusuke to the crime scene to meet Kamata. While Kamata and Tsukasa enter the Mirror World to fight, Shinji challenges Ren to demand what he was doing ar the Atashi Journal around the time of Reiko's death. But after Decade takes out the interfering Imperer, Ryuki witnesses the Rider overpowering Knight.

Forms
Just like the original Ryuki, he is a "balanced" Rider with equally powerful melee and far-range fighting capabilities. His Contact Monster, Dragreder (ドラグレッダー), provides his appearance and Final Vent Dragon Rider Kick (ドラゴンライダーキック, Doragon Raidā Kikku).