Synopsis: ZEZTZ: 27: Play

Case 27: Play (March 22, 2026)

As Baku attempts to assist Nox by fighting a “Shadow Nightmare,” a mysterious and overpowered individual named Sieg appears. Sieg transforms into a new Kamen Rider and effortlessly disrupts the ongoing battle, taking down Baku, Nox, and the CODE agents in one blow.

Baku is horrified to find that Sieg possesses the ability to manipulate and change the future events Baku sees in his precognition. Recognizing the extreme danger, Agent Zero calls for a temporary truce with Baku to face this new “rogue element.”