After finding a mysterious black watch, Rex Wells has been having dreams of a mysterious future involving a demon king. However, after a close encounter with a mysterious man and a red robot, he gets wrapped up in an adventure across time in order to save Kamen Rider no Sekai from falling to darkness, and the Heisei Riders from being killed. Rider Time! (Zi-O X Kingdom Hearts)

In a world where demons and angels exist, one area seems to be the hotspot of it all. Kuoh Academy. At the center of it all is a long-thought extinct being: the Nephilim. As this Nepilim learns about his destiny in the world, a rogue devil hunter hunts down the supernatural to appease the demon slowly eating at his soul. [reboot of HighSchool DxD: Wrath Of The Blue Devil]

Hoshi and Rex end up swapping worlds after finding . The reason for their swap is due to a man who wishes to rid the world of heroes. How does a boy named Shirou Kuroki and his partner Digimon Veemon tie into this? And why are they send into different stories with previous Kamen Riders and otherworldly heroes? (Sequel to Cross Generations)

High School buddies Akagi, Mitsui, and Hikari embark on a journey to be the first real Super Sentai in the history of the world. NOTE: This is an unofficial archive of Fuhen Sentai Seirainger by kagami5566