Later, a mysterious man named Azuma (played by Kane Kosugi) and a demon named Chic (voiced by Shingo Fujimori) appears search for the Chimera Driver that Mukai has, creates demons that appear in the city and attack people. Ryu Mukai appears and transforms into Kamen Rider Chimera in order to save the Otanis who were there.
Directed by Koichi Sakamoto (Kamen Rider Fourze), who previously directed the Revice Legacy: Kamen Rider Vail spin-off, Birth of Chimera is set for a July 22nd release, the same day as the Kamen Rider Revice summer film's release, exclusively on TTFC.