Other Title: 仮面ライダービルド-究極のフェーズ, Kamen Raidā Birudo-Kyūkyoku no Fēzu
Summary: Had their operation succeeded, Evolto would have disappeared alongside
Build. However, Evolto avoided death by possessing Sento’s body instead!
But something else has happened. Because Evolto’s genetic signature was
removed from Ryuga’s body after he possessed Sento, he can no longer
transform into Cross-Z. Even so, Evolto was still strong enough to take
over Sento’s body. In a state where he can no longer transform into
Cross-Z, is there a chance that they can still defeat him?