I think the main asshole in this arc and the arc before is the king.
In the arc before where blade had to work for money, the king can just give him. I mean blade kinda gave his childhood and like 90% of his life, money shouldn't be the issue here.
And in this arc he can just say "ok my friend...
technically yes it's a sequel, but basically the old one is chapter/arc 1 & 2, this new one is the next chapter/arc 3 it's still from the same source material/book