As a Detective, It's Reasonable for Me to Have a Police Girlfriend.

Summary

The police evacuated a crowd from a six-floor building where a suspected bomb was found—an iron box with a combination lock and a countdown timer set for two hours and twenty-seven minutes. A bomb disposal team confirmed it was indeed a bomb but with limited power. The box contained evidence linked to a murder suspect, and to access it, they needed to solve a puzzle without damaging the box. Yan Zheng deduced that the suspect, Xu Kai Hong, was left-handed, as clues in the room indicated this. They identified various items confirming his left-handedness, leading to the discovery of a mug with an unusual handle position, suggesting it might contain further clues.

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