Surprise Future

== Plot ==
In the 17th century a demon named Paradox fights the fox diayokai Diego at the same time at his palace a pregnant vixen daiyokai Selene goes into labor as the midwives tell her to take deep breaths as Diego fights Paradox and uses the slowdown power on him and took him out but however heard his mate's cries and head back home to her which he arrives in time as Selene gives birth to a pup whose cries attract Eques as Selene sees her newborn pup she is filled with happiness but however she slowly dies after giving birth to him as Diego arrives to see her about to lose life which Selene admits that she had always chased her dream of becoming a mother but however sees that their pup will grow up without her which Selene dies leaving Diego sadden by her death as their newborn pup opens his eyes revealing to have Selene's orange eyes leaving Diego in naming him Chase in honor of his mother.
4 centuries later Shinnosuke is slaking off as he later takes out an envelope that is specifically given to him and Kiriko by Krim that says open till August 8th only for an adult Chase is in true form to take it much to his dismay and chases after him as Kiriko sees it and secretly giggles upon seeing it along with Krim but however Chase stops and assumes his humanoid form upon seeing a kid with his mother which Shinnosuke gets the envelope from him scolding him for taking his things again and also for making him chase after him again but however noticed that Chase is not listening which he then quickly sees a child with his mother which Shinnosuke wonders if Chase is thinking about his mother which Shinnosuke then asked him about his mother which Chase then brushes it off and left which Shinnosuke would later arrive beside the Tridon and gets inside the Tridon and asked Krim Steinbelt aka 'Mr. Belt' about Chase's mother much to Krim's surprise on why he would ask him that as Shinnosuke points out on how he saw Chase looking at a child with his mother and asked him about her but he never told him anything about her as Kiriko wondered the same thing as they know about Chase's father who was killed by a demon but also wonder of his mother which Krim reveals that Chase's mother died from Childbirth revealing that Chase was only a newborn pup when she died. 
Chase would then remember when he was a pup when asked his father about his mother which Diego reveals that she was a beautiful and kindhearted vixen and yet died so young which he would look at the pendant of Tsukiyomi making him remember on how his father was killed by the demon Paradox which he also sees the graveyard Krim and Rei found him which Rei finds him and hugs him which Gou happens to be there interrupting their moment however receive a death glare from the daiyokai fox which Gou made a run for it only for a newspaper article to fly in his face and rolled off in the grass which Gou got it off but however it reveals to be an article on a tombstone in a basement of an abandon building with a hole slot on it that was destroyed in a mysterious fire 15 years ago.
Special Investigation Unit meet Unusnil Octingenti a man who discovered the tombstone underneath the building as he believed must have been the tomb of Tempus as Gou remembers hearing about that legend in California from a Spanish American man as he remembered that according to the Spanish Legend he was a man who wanted to be the stronger and powerful who traded his soul to the devil for power which turned him into a power crazy madman demon named Paradox but that's all just silly stories to teach the kids a moral lessons on what seeking power would lead them to becoming monsters only for Unusnil to reveal that his ancestor may have been mad man but he did discover his tomb revealing the legend to be true as well as revealing him to be Paradox's descendant but however Krim does not trust him completely due to remembering how Paradox kidnapped his daughter Rei but when a gravity surge is detected but to Shinnosuke and Gou's dismay it is by the hidden burel site of Paradox which they fight the roidmudes there and finish them off as Shinnosuke and Gou see the tomb still there only for Krim to tell Shinnosuke to destroy it much to his confusion as it is a tomb stone only for Krim to tell him that it is the only way to permanently lock him in hell for good which Shinnosuke wonders on what Krim meant by him until 108 finds them and they fight him which Chase arrives and joins the battle however only for 108 to steal their swords and insert them in the slots unleashing the demon Paradox which the tree Kamen Riders escaped which Gou wonders who that was which Chase answers that was Paradox revealing the legend of Paradox to be true which Chase reveals that 15 years ago the roidmudes aid Paradox in order to dispose of him which they kidnaped Rei which Chase had to save her but however upon fighting Paradox he was injured in the process only manage to seal Paradox in the pit of hell revealing to Shinnosuke and Gou that what the humans uncover was not really a tomb but his prison.