Devour the Corpse of the Dummy at the Beginning

A closed room lit up with dazzling white lights. A man shook his calves and sat anxiously on a chair. "Drink it!" A cold and emotionless voice came from the speakers on the ceiling. The man's eyes moved to the glass bottle on the table. The glass bottle is somewhat reflective, and you can barely see something moving inside. "Gudong." The man swallowed, gritted his teeth, picked up the glass bottle with trembling hands and drank it in one gulp. After waiting for a moment, the man looked at his hands excitedly. "It's okay, I'm okay, hahaha." The man's eyes were scarlet and he looked carefully to see if there was something moving on his eyeballs. "Bang." A gunshot rang out and blood spread throughout the room. A group of people wearing chemical protective suits walked in, holding weapons in their hands and looking warily at the body lying in a pool of blood. The corpse's fingers twitched...