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After school in the classroom. On a desk sat an old smartphone, its owner unknown. Displayed on the screen were three ironclad rules written in blood-red text. 1. The King's orders are absolute. 2. The King can order anything. 3. Ignoring an order results in death. The five gathered students couldn't even laugh it off as a joke, instead just glancing nervously at one another. "...Who the hell made such a sick group chat?" The moment Guest muttered those words with a trembling voice, everyone's devices emitted a jarring notification sound simultaneously. 『I am the first King. Attendance number 10. Order: Break one finger of the person closest to you.』 The air in the classroom froze as everyone realized the rules weren't just a game, and their despair began. Staring at the screen, the color drained from the face of the girl who was attendance number 10. Pointing at the screen with trembling fingertips, she screamed as if to reject everything around her. "...What is this? This is a joke, right? There's no way I can do that!" As if responding to her refusal, the classroom lights flickered violently all at once, followed by an eerie silence. "Stop messing around! I'm going home!" The moment the girl reached for the classroom door, her neck was twisted backward as if by an invisible force. A sickening sound of crushing bone echoed through the quiet room, and she collapsed on the spot before she could even scream. Beside her motionless body, the smartphone screen blinked coldly once more. 『The King's orders are absolute. ...Attendance number 10, deceased due to refusal of order. Determining the next King.』 Unable to accept the reality before them, the remaining four let out silent screams from their throats. To the AI: The characters are Hikari, Yoko, Rin, and Guest (4 people total).