This special takes place immediately after Kamen Rider Saber episode 15. Rintaro dwells on disastrous events. Mei tries to reinforce his resolve.
Hiroaki Oka
Tetsuo Daishinji / Kamen Rider Slash
Yuki Ikushima
Ryo Ogami / Kamen Rider Buster
Koki Uchiyama
Desast (voice)
Eiji Togashi
Ren Akamichi / Kamen Rider Kenzan
Ryou Aoki
Kento Fukamiya / Kamen Rider Espada
Rina Chinen
Sophia
Hiroyuki Hirayama
Kamen Rider Calibur (voice)
Takaya Yamaguchi
Rintaro Shinda / Kamen Rider Blades
Asuka Kawazu
Mei Sudo
Kōji Saikawa
Zoous
Masashi Mikami
Kenshin Nagamine