[Kamen Rider SCP X SCP X RWBY] (Inspire by edgingman's RWBY X Random horror story: Tales From The Fog) What happens if the Remnant threat wasn't only just Grimm and bad people? But entities from mythical and unknown locations are called SCP. The soldier who transforms into a hero known as Kamen Rider. A warrior with the SCP Foundation finds the SCP to deal with it, while somehow protecting humanity from the entity that threatens the world.

Just when we thought these enemies had been destroyed, a new evil group rises from their ashes. Dai Shocker, their plan, is to use an ancient artifact to merge several worlds into one and rule it. But two young boys have been chosen to become a new generation of heroes to defeat Dai Shocker, they are........the legendart kamen riders! All images and videos belong to their respective owners.

[Kamen Rider Kiva X Hellaverse] Within the world, there was a Young man named Haru Akatsuki, who's secret is that he's a Half Fangire and Is Kamen Rider Kiva as he fights Rogue Fangires in secret. Then one day, Haru and Kivat discovered an Ancient Book which transported both of them into the World of Inferno, known as Hell, but it was not what they expected. They stumbled upon Charlie Morningstar, Daughter of Lucifer and Princess of Hell, who's dream is to redeem Sinners into Heaven, which Haru agrees to help out as he discovers that most of the Fangires are here too. In another part of the world, there was a young man named Zento Yoshitatsu, he was a follower of God and is a Fangire Hunter which he wields the powers as Kamen Rider Ixa. He discovered Heaven and Hell after he saved Emily and her Group from a Rogue Fangire, he would come across Haru in battle as the two were enemies at first, but upon Zento realising that Kiva wasn't a enemy, they became allies. In another different part of the world, there was another man named Mao Taigetsu, who's the son of the Fangire King, Haru's half brother and is also Kamen Rider Saga, he stumbled across knowing hell's existence by I.M.P who were on a mission, they fought as Mao won in the end. He offered to ally with them which they agreed as Mao would begin his plans to become King... Or so he thought, after going through experiences. Three Riders, a Human, a Half Fangire, and Full Blooded Fangire, stumbled upon the world of Heaven and Hell as they have no chance to turn back, Haru and Mao would come across each other and have no choice but to fight of who will get the throne as King of Fangires, and there's a question that will soon to be said..... Who would Break the Chains?

Biobook for variants of Kamen Riders.

[Kamen Rider x Reverse Isekai My Hero Academia Crossover!] Years after Kamen Rider Ichigo and Nigo defeat Shocker every time. The Shocker give up to defeat Kamen Rider and give up to destroy the Kamen Riders. They research the multiverse and find a world doesn't have Kamen Riders, they don't need a lot of Monsters so they will start from over and decide to merged two worlds into one because Kamen Rider defeat them. A young man who is a huge fan of golden age era Kamen Rider who wear a toy mask that he stop the a group of gangsters harrassing innocent people. He was kidnapped by Shocker and convert him into a cyborg, then Takeshi Hongo help him to escape. And he learn the world of MHA is merged with his world into one. He will learn how to be a Kamen Rider to protect his world!

[Kamen Rider Agito x Reverse Isekai RWBY Crossover!] Years after Kamen Rider Agito defeat Overlord, the world is peaceful again. Hikaru Shindo haven't overcome of his first love passed away, and he was trying to move on. He fufil his girlfriend's promise to watch his favorite Kamen Rider series, Agito, and her Anime Series, RWBY Ice queendom. He watch the first episode before gazing at the star. He see a shooting star and ask the star to grant RWBY transport to Earth as an joke. Later he meet Team RWBY on his bedroom, the Lord is attack the humans as Hikaru tried to protect Ruby but he awaken the seed inside him. He become the next Agito as he learn his powers is chosen to protect the Earth from Lords, Grimm, and other criminals.

When the ancient civilization, Gurongi Tribe, are resurrected, a multi-talented young man named Ikurou Haraguchi, finds himself drawn to the mysterious stoned belt that was found within the excavated cave temple as the Gurongi continues their ruthless game on the descendants of the Rinto, humanity itself. Then, he became Kamen Rider Kuuga to help the police fight the Gurongi. Not only that, the Gurongi Tribesmen may be trying to take over Japan, but they roam in other countries as well. Ikurou would have a fateful encounter with certain ninjas as they heard that the Gurongi are hunting humans down to kill, especially Kuuga. This made Ikurou and his allies to travel around the world by their mission. However, when Ikurou heard that the new Dead Or Alive Tournament is announced, he decides to participate in order to find something that seems off behind the scenes. It is up to Ikurou along with the assembled police and ninjas, to use the various powers of Kuuga to stop and defeat the Gurongi Tribesmen, while also being the part of the tournament and ensure the happiness of others.

Kamen rider zeztz X Zenless Zone Zero

[Kamen Rider Kuuga x DC Universe Crossover!] Years after Kamen Rider Kuuga save the worlds from the Gurogi, the world is peaceful again. A young man wake up in the Metropolis city and doesn't know how he did end up here but he remember he was going to the convention to buy the belt and going back to his home. He see a belt on his waist as reveal it was the Arcle, he was check the city then suddenly the supervillain attack the city and the young man save the people before Superman came in to stop the villain. However the young man feel different as he transform into Kamen Rider Kuuga. He will rising up to become the hero and help Superman, Batman, and other DC Heroes against the villain as he is the next Kamen Rider Kuuga. CHOU HENSHIN!

[Kamen Rider Fourze X Blue Archive Crossover!] Hiroto Kobayashi is the legendary Delinquent called "The Red Demon", a famous Delinquent who stands for the right thing and beat up some bad guys, after a cram school event because of a scam, the police let him go and meet Misaki who was a Legendary Delinquent. Later they both meet Tsukasa Kadoya and together they both send to the world of Blue Archive. Now the Zodiart is back but also the school having a war against some bad students, it's time for the Space Teacher protect Kivotos City from Zodiarts. UCHU... KITAAAAAA!!!!