The Lord of the Underworld's Bookshop

The ruler of the Underworld opens a bookstore in the human world?

And hires an overbearing CEO as a clerk?

"Into the boiling oil with you!" says the King of Hell.

"Take them out when they're medium rare," says the CEO.

At last, the ghosts have found someone to protect them...

Theme: So many regrets go with us to the grave. Let words record the hidden "secrets" no one else knows.