[K]that Day, I Killed the Colorless King

As the new Colorless King, let me tell you that success is achieved when you pretend to be so pretentious that you can't even reach the boss. This has always been my goal? Although... I seem to be the boss! ! ! So let's talk next Talk about smashing someone to death as soon as you cross time! ! ! What to do! ! ! I'm a bit smart