Kotaro remembers Yukari's words about defeating the "Creation King". In his hometown, a facility for experimenting on kaijins remains, and Bilgenia awaits them. Aoi and her mother are taken captive. Kotaro tries to rescue them, but a "Mantis"stands in his way. In the battle, he learns the truth and his hatred for Bilgenia grows, causing the Black Sun to manifest new powers.
Hidetoshi Nishijima
Kotaro Minami/Kamen Rider Black Sun
Tomoya Nakamura
Nobuhiko Akizuki/Kamen Rider Shadowmoon
Aoi Nakamura
Young Kotaro Minami
Kokoro Hirasawa
Aoi Izumi
Takahiro Miura
Bilgenia
Yoh Yoshida
Bishium
Baijaku Nakamura
Darom
Gaku Hamada
Whale Kaijin
Takuma Otoo
Bat Kaijin
Lou Oshiba
Shinichi Donami
Pretty Ota
Baraom
Oshirō Maeda
Young Shinichi Donami
Daisuke Kuroda
Flea Kaijin
Toshinori Omi
Isao Nimura
Minori Terada
Secretary-General
Hiroki Konno
Wataru Igaki
Haruka Imou
Yukari Shinjo