Correct, most arcs focus on exploring otherworld individuals' social uniqueness and how the real estate agency find places that suit their state of being. It's also a very short series too, 5 short story arcs across 31 chapters.
That's kinda dumb, why not just classify him as a "Ghoul" instead of "Dead."
They're just making things complicated, I mean they can see him move and talk and a will of its own