There are still more than three hours until midnight, it's only around eight o'clock. If we endure in darkness until then, it would be torture, likely we'd fall asleep long before that. So, Li Yifei wanted to say something, just as he was about to speak, both of their ears picked up a faint sound, like a groan of pain. Quickly, the sound grew louder and turned into something more high-pitched.
Being an experienced person, Li Yifei immediately knew what sound it was, and he couldn't help but swallow hard.
Wu Shuwei wasn't foolish either. At first, she didn't understand, but after listening for dozens of seconds, she knew what the sound was too, so she was speechless; how could those people do such things...
