As shocking and heartbreaking as the end is, this MC is interesting. He chooses to turn down a comfortable life because he still has vengeance between him. That is a trait that not many manga seem to stay loyal to and usually would forget about.
I'm crying for the king skeleton. Dude might've took over a mansion that wasn't his but I think the punishment is a little strong for someone who is shown to have emotions. I feel like he could've been reformed.