Ayo when reading this i felt like you were part of the story with the way you wrote your comment lol , like a noble from that era
I mean, I once mentioned that this is the case. What is unacceptable by our laws and time period is not weighed by the same scales then. The man is literally doing his job and probably had good reason to kill the MCs family which was extremely common practice when treason was suspected amongst government officials in that era. So if they do get together that would 1) mean the ML will be forgiving the MC for his inevitable betrayal and 2) MC will be forgiving ML for doing his job which was killing his family which he is (understandably) torn to shreds about. And I think anyone would hate to have the upbringing the ML did, being forced to fight your way to the top and prove yourself in a war as a teenager when you should be living a carefree and protected life. It explains his trust issues and scheming perfectly.
On the other hand though, the MCs plan is ironically managing the outcome he wanted which was to earn the MLs trust but in turn he is losing his hand (the pawn he snuck out to meet, the servant who let him sneak out, the ability to be left alone in the estate with lax supervision). This is what will consequently allow for them to fall in love with each other and betray each other, creating a bittersweet climax. I look forward to it lol.
Kekeke. Seize this chance my boy to trap him in a sweet sweet web of deceit ensuring he falls deeply in love and then STRIKE!
But most likely the story will follow the same pattern of love conquers all and governor will be forgiven as he was only obeying orders/ sad/ miserable childhood blah blah.
Though the political shenanigans are entertaining and the art is gorgeous!