In the World of Ganma, Chikara Saionji is revived, his spiritual remains entering an empty Ganma Eyecon shell. He soon spots Alain and the Fukami siblings, Makota and Kanon, nearby. Unaware of what has happened since his death, he brings out an old photo of the original Ghost Hunters team, remembering what he is there to do. This story is set after the epilogue of Kamen Rider Ghost RE:BIRTH: Kamen Rider Specter, which itself is set 2 years after the events of Kamen Rider Heisei Generations: Dr. Pac-Man vs. Ex-Aid & Ghost with Legend Rider.
西銘駿
as Takeru Tenkuji / Kamen Rider Ghost
山本涼介
as Makoto Fukami / Kamen Rider Specter
磯村勇斗
as Alain / Kamen Rider Necrom
大沢ひかる
as Akari Tsukimura
柳喬之
as Onari
工藤美桜
as Kanon Fukami
森下能幸
as Chikara Saionji
喜山茂雄
as Da Vinci Ganma (voice)