Becoming a full-time trader is absolutely an idea with that teleportation skill. Getting more know might make it harder to hide, though. He could still do with more power, though, and it would mean giving up on the other benefits of dungeons, like loot.
She looks... like your standard elf woman. Maybe a bit wider face than usual, but it might be the art style.
She does not have a habit of hooking her hair behind her ears. I'm going to put that down to the artist's preference for that motion of holding your hair up.
He went that far
without thinking about the price? That's like one of the main things to consider. Should've discussed that with Sherry. And you absolutely do not need to consider that you got a discount buying them. That's between you and the seller.
A full-fledged adult elf that's only 29 years old? I feel like some unwritten manga rule's been broken.
I find it refreshing. In particular it avoid the dumb trope of elves maturing slowly and still being immature kids (by human standards) at 50.
Why are you ogling someones wife you dickhead
A little bit is fine. But he's also suckered in by it.
Every character whose name is a chapter name has been waifu'd. This better not turn NTR.
NTR here would mean the duke would sleep with Roxy or Sherry, unless the concept is flipped.