The End of the World

Trembling: "I'm sorry, sir." Lu Sen: "I don't want to hear this again! I'm beginning to suspect that my name is 'Sorry Sir'. Could you be more careful? There are so many doubts at the crime scene, but no traces were found!" Trembling: "Sir, what did you find?" Lu Sen: "There were people dead at the crime scene, right?" Trembling: "... That's amazing, my brother."