A Dungeon Where Only I Can Survive

A perfect dungeon needs to be carefully improved and repaired. First, fill up the defense modules, then stack up the survival modules, and finally... Holy shit! Why is my dungeon on the dangerous wanted list? ———— Coville, who accidentally traveled to another world, obtained the module system. He can add game modules to any items in the world, including creatures... All he needs is a steady stream of slimes!