Let's talk about the MC he didn't have, as far as I remember, any pretension to be king. I mean it's well drawn for a new series but not to a sequel. I don't believe the guy who made the first one is doing this one
Ok this is rakudai kishin for sure
Even the black haired girl looks a lot like the headmaster of rakudai kishin
But I am more upset about the fact that he trained for a thousand years and he couldn't win with one strike. Man seriously? If any other manga about swords had this idea the MC would...