You know, we really didn't need the explicit evil aura, dutch angles, and inverted shading to express that this is a bad guy. Not to mention that you also didn't need to make him look like a cardboard stereotype of a corrupt noble. It just feels like a confidence issue on the part of the artist. He's scared that he can't get the tone of the story across in a natural way, so let's just use every single trope to make this guy look evil.
Wouldn't there be a lot more weight to the story if we decided ourselves that this guy is a bastard, rather than needing the mangaka to spoonfeed that to us? It's not as if it was going to be obscure anyway. The dude is something like a Megatron-level of absurd, illogical evil by his dialogue alone. I think of all the complaints I have with manga/light novels, insulting the reader's intelligence is my biggest pet peeve.