OP MC

After failing the Grade Nine civil service exam four times and many twists and turns, Han Maru finally succeeded in becoming a special civil servant under the Ministry of Environment. Goodbye, gosiwon! Goodbye, convenience store lunchboxes! But the joy of passing was short-lived. It turned out to be a life-threatening national secret job?! Along with the yellow dust came the demons, creatures that kill and eat humans.

Once upon a time, I became the dreaded Skeleton King, a being who proved troublesome even for the gods.
“If you do our work for us, we’ll turn you into a human.”
But then, the gods tricked me with a fraudulent contract and sealed me away.
“With the Skeleton King gone, let us rid the world of demonkind.”
“The purge of demonkind and the work to spread the good word—let us entrust it all to our precious .”
“As for that insolent Skeleton King… let us trap him in the body of a bug and torture him for

The protagonist Chan, who was looking for a part-time job after his previous company went bankrupt, coincidentally discovers a convenience store. Lured by the very high hourly wage, he decides to become a part-timer from that day. But the customers who come in seem a bit strange. Vampires, kobolds, and even succubi??