Kamen Rider Ryuki

is a Japanese tokusatsu television series. The twelfth installment in the Kamen Rider Series, it was a joint collaboration between Ishimori Productions and Toei, and it was shown on TV Asahi from February 3, 2002 to January 19, 2003. The series marked the franchise's switch from Columbia Music Entertainment to Avex Group, which continues to produce music for the series today. The series aired along with Ninpuu Sentai Hurricaneger. In 2008, Ryuki was adapted into the American television series Kamen Rider: Dragon Knight, the second American adaptation of a Kamen Rider series after Saban's Masked Rider (1995). Story Thirteen were created for thirteen Kamen Riders. They form contracts with monsters from the mysterious , a parallel dimension opposite to our own in which only the Kamen Riders can exist. The Riders draw on their monsters' strength in exchange for feeding them the life force of the creatures they destroy. The creator of the has only one rule: that there can be only one Kamen Rider. The others must be killed, and the sole victor will be granted a single wish, which leads to a conflict known as the Rider War.