Either this guy has infinite SIgil access, or he was amongst the group that killed Wang. Or Wang was not yet killed immediately by Ravens, and he swooped in for the final gain. Or somehow, Wang was a Greed all along and faked the death.
I was turned away at the 7 rating, and then after reading, damn, this is even like actual 9-10 stuff. Real story and real subversion of the isekai trope.
It is a simple question proposed by that guild old man (that I cannot remember who he was, I did not actively follow the story): Do you bend the law, if the right way cost more?