Plot

This is a TTFC-exclusive special set within the continuity of Kamen Rider Ex-Aid. In the special, Hiiro faces off against several beast-themed warriors while encountering the deadly Takeshi Asakura.

A group of revived beast-themed Riders gather to form the "Beast Rider Squad"... and Kamen Rider Ouja, the worst villain Rider, is leading them. Can Kamen Rider Brave hunt them with his new Gashat, "Night of Safari"? And what is the secret behind this battle?—Kamen Rider Wiki

In this spin-off, Kamen Rider Sasword (of Kamen Rider Kabuto), Kamen Rider Dark Kiva (of Kamen Rider Kiva), Kamen Rider Beast (of Kamen Rider Wizard), and Kamen Rider Tiger (of Kamen Rider Ryuki) have joined Ouja and formed the "Beast Rider Squad". Asakura gained popularity due to his unrelenting brutality among the Heisei Kamen Riders. He wears his familiar snakeskin jacket and his brutal, violent ways still remain. In addition, with the power of a new Gashat, Knight of Safari, a new form of Brave will debut.—YouTube

In this spin-off, Kamen Rider Sasword (of the Kamen Rider Kabuto series), Kamen Rider Dark Kiva (of the Kamen Rider Kiva series), Kamen Rider Beast (of the Kamen Rider Wizard), and Kamen Rider Tiger(of the Kamen Rider Ryuki series) have joined Ouja and formed the "Beast Rider Squad". With the power of a new Rider Gashat, Knight of Safari, a new form of Brave will debut.—Tokusatsu Network

Kamen Rider Brave: Survive. Resurrection Beast Rider Squad. will follow the revival of beast motif Kamen Riders: Sasword, Dark Kiva, Tiger and Beast, led by the worst dark Rider, Ouja. This spin off drama highlights the fifteen year return of Takeshi Hagino as Takeshi Asakura/Kamen Rider Ouja. Hiiro must use the Night of Safari Gashat to hunt down these beast Riders as Kamen Rider Brave Safari Quest Gamer Level 4.—Tokusatsu Network