Description: After the Events of AlstonChanAlstonChan's Kamen Rider Decade: Absolute Battle, Nathaniel and Tadano returned to Metropolis, but Naoto didn't have the same luck. Both mourned for his supposed loss, but a certain collector of worlds arrives to collect important parts of the Earth, and it's up to Nathaniel and his alternate selves to save the world from Brainiac. Meanwhile, in another world, Naoki Ryuga finds out that his sister is the wielder of the Nemetrix, and making things worse, a black Kitsune Rider arrives to rule the world. Nathaniel and Naoki will meet each other and join forces to stop the threats.
Main Characters:
Nathaniel Lane-Kent/Kamen Rider Saber
Naoki Ryuga/Kamen Rider Tycoon
Allies:
(Kamen Rider Saber X Young Justice)
Justice League
The Team
Tadano Hitohito/Kamen Rider Blades
Yuuki Izumi/Kamen Rider Saikou
Shinichi Sakurai/Kamen Rider Buster
Wakana Gojo/Kamen Rider Falchion
Nishikata/Kamen Rider Slash
????/Kamen Rider Calibur (Someone will become Kamen Rider Calibur and secretly support Nathaniel and his team.)
(Kamen Rider Tycoon X Konosuba)
Naoki's Party/Harem
Kazuma's Party
Ichika's Party
Mako Makanshoku
Hannah "Hina" Ryuga (Wielder of Nemetrix) (Despite being on opposite sides, Hina still cares for her brother.)
Ken Hunter/Kamen Rider Shinobi
Yun Uzumaki/Kamen Rider Kenzan
Troy Baxter/Kamen Rider Fuma
(Nathaniel's Alternate Selves)
Nathaniel Stark/Kamen Rider Nigo (Ancient)
Nathalie Forger/Female Saber
Nathaniel Tsukamoto/Another Saber
Enemies:
Brainiac
????/Kamen Rider X-Geats