Should you use いる or ある for a corpse?
I would also like to know…
Not the most astute answer, I know, but according to this, it would be ある:
But I’d wait for someone more knowledgeable to confirm
死体 would use ある。
Also, just to double-down on my first comment, because, why not? Doing a Google search in Japanese, it looks like they all use ある: