Kamen Rider Evol was born, and the first victim of his power was Taizan Himuro, the prime minister of Touto! Evolto now engages a full-scale onslaught to complete the Pandora Box, and his next target is Sento. Evolto infects Sento with an alien poison that can only be cured by Evolto. Because of this, Sento’s life is on a deadline as he demands the remaining Fullbottles and the Pandora Box in exchange for Sento’s life. Just what will the remaining Riders do now?! (Source: kamenrider.fandom.com)