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. The full trailer for this spin-off will be revealed this Sunday, June 26th.
[Additional info from Natalie]