路人他竟是灭世boss (Associated Names)

Shen Jie found himself in the body of a passerby in a post-apocalyptic novel. The passerby was an ordinary person without any superpowers, just a low-level employee at the research institute. Besides conducting experiments, his usual role was to liven up the atmosphere by clapping and shouting “666”. Shen Jie was quite satisfied with this…