This Kamen Rider Decade (仮面ライダーディケイド Kamen Raidā Dikeido) is a doppelgänger of the original Decade, Tsukasa Kadoya which appeared in Kamen Rider × Kamen Rider W & Decade: Movie War 2010 Director's Cut version in Decade: Final Chapter. He only appears in Natsumi's dream.