Five characters who "should not be in this world" have appeared before Emu. These characters are Kamen Riders who have either died or disappeared. The mystery behind their revival is linked both to someone manipulating strings behind the scenes and the "ultimate superhero team" Kamen Sentai Gorider.
Emu Hōjō / Kamen Rider Ex-Aid
Kaito Kumon / Kamen Rider Baron
Yōko Minato / Kamen Rider Marika
Kazuma Kenzaki / Kamen Rider Blade
Kaoru Kino / Another Agito
Kiriya Kujō / Kamen Rider Lazer
Asuna Karino / Poppi Pipopapo
