The cover art for Volume 1 was released in advance on the Overlap Bunko X Twitter account: https://x.com/OVL_BUNKO/status/1968985922373833028
With this I was able to confirm that, the Artist for this series have experience doing art for Dungeon exploration on modern days and Yuri, for LNs.
I liked the design of the MC(A more specific comment would have spoilers).
The various different things are dungeon materials or curry ingredients.
The fairy looks a bit like it, but I think that's to make drawing easier (she was described as being about the size of a thumb).
Another tag that could be added to this series is misunderstandings , because the misunderstandings that happen in the story are what generates the rumors/urban legends that happen in the story.
There is one extra tag that is present on the WN version is:
spoiler