There's a Demon Lord on the Floor, Vol. 4

This hilarious manga follows the adventures of ghost-girl Nukadoko as she tries to make ends meet by working as a server in a restaurant. While struggling to serve invisible customers, Nukadoko also navigates her quirky co-workers, including a dragon-raising colleague and a smartphone-addicted staff member. Get ready for a fourth serving of this delightful and devilish comedy!