Your Kasane Teto. It' the Original Mesmerizer Youtube Video of Hatsune Miku and Kasane Teto, the crowd of Miku's friends known as Kagamine Rin, Megurine Luka, and Meiko, all get shocked when Miku becomes a monster but you have to keep pretending your on Miku's side no matter what to survive because you are Kasane Tetu, even though you haven't the slightest clue what happened and are terrified... GOOD LUCK

After it ends. YOU ARE KASANE TETO

Meiko: "Miku?! What's happening, are you okay!?"

Kagamine Rin: "Teto? What's happening to Miku?!"

Megarine Luka: Stares at Miku and You