商品簡介
In **"The Headmaster Is a Doppelganger"** a normal Monday morning at **Regelberg Elementary School** suddenly feels like the beginning of a secret operation. The hallway still smells of freshly mopped floors and sharpened pencils-but something is off. Right by the entrance, where the usual "No laughing outside recess" sign used to hang, there's now a huge gray poster stamped like an official document: **IDENTITY QUIET - If you have doubts, fill out Form D-OPP.** That's when Milo Mertens feels the familiar tingling in his fingertips-his personal warning system that something weird is about to happen. Milo isn't alone. **Fina Fuchs**, the sharpest observer in fourth grade, immediately pulls out her notebook and sketches the new sign with the precision of a young secret agent. And then there's **Turbo Tan**, the chaos magnet of the trio, who tries to eat a jam sandwich without setting off the brand-new device above the door. *Beep!* The **identity scanner** flashes purple, an announcement crackles through the hallway, and Turbo freezes mid-bite as a robotic voice declares: **"Unauthorized crumb identity detected!"** Suddenly, Turbo is only ninety-seven percent sure he's actually himself. But the real shock arrives when the double doors to the headmaster's office swing open. The headmaster steps into the corridor-except he doesn't feel like the headmaster the kids know. He's wearing spotless **white gloves**, his glasses have **zero fingerprints**, and instead of his usual strict but human scolding, he speaks like a perfectly programmed machine. He calls the students "units." He instructs them to "exist quietly." When Turbo tries his ultimate adult test ("Say: *lunchbox!*"), the headmaster answers in cold protocol language: **"Energy intake is permitted only during the designated window."** Milo's stomach drops. Fina makes a note. Something isn't just strange-it's calculated. As if that isn't enough, **Inspector Order** appears with a new sign and staples it right ne
