Glittering City 13th

One day, a certain city released a video from several decades ago. Finally, humans understood why that explosion occurred, the one that changed all of humanity.,"Alright, alright everyone, there's no need to panic. We'll definitely wait until it's absolutely safe before supplying the middle and upper levels. When the time comes, thank you all for your hard work. Lunch is already prepared, please...","This, it's all just nonsense. The Department of 13 is just a miscellaneous department, you..."。