World of Shinkenger

thumb|right|The backdrop for the World of Shinkenger.
The is one of the New Worlds, though it is set within the continuity of . The backdrop features two opening up a curtain to reveal artistic representations of the five main . Within this world, Tsukasa takes the role of a Kuroko of the . However, he is forced to intervene due to the appearance of , an who obtains Daiki Kaito's Diendriver and transforms into a Kamen Rider himself, a distortion that threatens the existence this world. 
This world was preceded by the World of Diend, and followed by the World of Black RX.
==History==
:For more information on the history of the and their fight against the , see .
Daiki Kaito (Kamen Rider Diend) was the first to enter the World of Shinkenger. Returning to his sushi cart after the birthday party of , found Daiki stealing the Ika Origami. When Genta asked who he was, the young man replied that he was "...just a Kamen Rider passing through". 
Arriving in the new world with a strange card in hand, Tsukasa found himself in the costume of a kuroko before running into Daiki who just stole a squid-like artifact. Daiki mentioned that this world was not like the other A.R. Worlds before running off prior to the appearance of . Tsukasa was about to transform before several other Kuroko shown up along with five young men and women who transformed into the to fight drive them back into the . Yusuke and Natsumi returned to the Hikari Studio after losing sight of Tsukasa, with Natsumi worried about not being in an A.R. World. Tsukasa, however, was at the household, listening in on a discussion between and his caretaker, , over the latter's need to go to the hospital. Elsewhere, sushiman Genta Umemori catches up to Daiki, ready to fight him for stealing the Ika Origami. Both transformed, and Diend summoned both Kamen Riders Scissors and Raia to fight Shinken Gold. Unbeknownst to them, sends the Ayakashi to investigate Diend out of dread of his appearance. Chinomanako arrived just as Shinken Gold took out the summoned riders and stole the Diendriver from Daiki, knocking out Shinken Gold in the process. Chased by the Ayakashi, Daiki made his way to Tsukasa who laughed at the irony before using Den-O's power as Decade to fight Chinomanako. The Ayakashi escaped at the last minute, and was suddenly compelled to use the Diendriver, inserting the Diend Kamen Ride Card and shooting it above him. Transformed into a monstrous version of Kamen Rider Diend, Chinomanako summoned a mass of Nanashi to attack the mortal realm to Narutaki's horror of the newly born abomination. 
The Shinkengers battled a group of Nanashi Company with no accompanying Ayakashi. Because the attack seemed so random, Takeru was concerned and had the Shinkengers search the area. Tsukasa lifted his veil as the Shinkengers left the scene. They eventually faced an , defeating it in its first life. The group used to fight the giant Ayakashi with Shinken Gold arriving in to quickly destroy the Ayakashi as Natsumi witnessed the battle. After the fight, Takeru encountered Narutaki who warned him that his world was endangered by the presence of a person known as Decade. He later crossed paths with the strange kuroko who revealed his true identity. 
After Tsukasa revealed himself, Takeru realized that Tsukasa was the "Decade" Narutaki warned him about. Before the two could fight, Narutaki arrived to tell Tsukasa he was to blame for the terror brought unto the world by the Ayakashi Chinomanako, who now had the powers of Diend, and that the only way to save the worlds he entered if he ceased to exist. After Takeru took out the Nanashi and driven off Chinomanako as Shinken Red, Genta attacked Tsukasa believing that he was in league with Daiki until Natsumi took him to the Hikari Studio, where Hikoma Kusakabe was hiding. When the other Shinkengers arrive, Daiki used their fears to cause a fight to break out and escaped with Genta not far behind, leaving Natsumi to break it up before going to a room where all of Tsukasa's photos were kept. When Chinomanako attacked again, Genta ended his chase and contacted the Shinkengers who gone off to fight the Ayakashi alone. Tsukasa, troubled by Narutaki's words, stayed behind with Yusuke trying to convince him to help before he gone off on his own. By then, Hikoma came forward and convinced Tsukasa to continue to find his place, regardless of what Narutaki had said to him. Tsukasa joined the battle just as Chinomanako and his summoned Eagle Undead and Moose Fangire have overpowered the Shinkengers and Kuuga. Decade and Shinken Red fight Chinomanako, who has summoned Kamen Rider Blade to fight with him. The other Shinkengers and Kuuga managed to destroy the Eagle Undead and Moose Fangire as Decade became Complete Form and used the powers of Blade King Form to attack Chinomanako. Using the Blade Final Form Ride Card, he transformed Chinomanako's Blade into the Blade Blade before switching weapons with Shinken Red to use active AttackRide Card to destroy Chinomanako, saving the world. Daiki shown up just in time to snatch the Diendriver back, only to be thwarted by Shinken Gold who forced him to give back the Ika Origami in exchange for the Diendriver, and then everyone left to their separate ways. As Tsukasa and Yusuke were welcomed home by Eijiro and Natsumi, assuring Tsukasa that the photo studio was his home no matter what, they entered a new A.R. World. 
==Inhabitants==
* and their allies
** (Shinken Red)
** (Shinken Blue)
** (Shinken Pink)
** (Shinken Green)
** (Shinken Yellow)
** (Shinken Gold)
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==Gallery==
T14.jpg|Tsukasa's capture photo in World of Shinkenger
==Notes==
* appears as a monster in the Shocker-Zangyack Alliance during the events of . 
*Throughout the crossover, the World of Shinkenger is stated in-show as a "world with no Riders." This statement is contradictory as in-universe crossovers with Kamen Rider and Super Sentai have occurred multiple times in the past, disregarding continuity. 
==Appearances==
* Kamen Rider Decade
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**Episode 24: The Arrival of the Samurai Sentai
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**Episode 25: Heretic Rider, Go Forth!
== Navigation ==
Category:A.R. Worlds