The closest danger Ling Qingyu experienced

Loud gunfire shattered across the hallway, causing Yin Jingfei and two other women to cover their ears, their faces wincing from the sheer reverberation. Everyone felt a long, piercing squeal inside their eardrums, their expressions naturally showing worry whenever Ling Qingyu tugged back and peeked out, fighting for a chance to escape. They shared the same fear of being chased from behind and hoped the fight would end soon, with Ling Qingyu emerging as the victor.

Less than 20 seconds had passed since the first shot. It all happened too fast, from killing the first assailant to dispatching the remaining defender. 

Bang! Bang! Whizz! Whizz! Click!