After Being Reborn, the Emperor Went on a Killing Spree

I was reborn. I never imagined that after a lifetime of meekly going along with everything, the only time I showed any backbone was when I slit my own throat without hesitation as the rebels stormed the city. In my previous life, my consorts understood my inner thoughts and used them to pass information to the rebels. Somehow, my younger brother had a person from a later age living inside him, and he even had a System that assigned him quests. The rebel leader, Long Aotian, was a martial arts prodigy, followed by countless beauties and powerful ministers at court. He even claimed to be the chosen one. There were jackals in the harem and tigers and leopards in the court. Whatever. If the country was doomed to fall sooner or later, then every day I stayed alive was a day gained. But why was this country getting better and better? These people