Ahh this guy still can't get into his head that this just isn't his ideal isekai... Though I suspect even if he was transported to the "proper" one he'd just be living a somewhat Kazuma-like existence...
Gonna go ahead and guess that this new villain is the head of a company trying to buy vampdad's house+farmland for development, but he won't give it up so they're trying to harass him out of it.
@Salfaro I'm betting it's another Isekai'd human that managed to get filthy rich somehow, and is now using that money to fulfill the Isekai trope-filled life he was denied.