Unsō-Ya No Ossan Ga Naze Ka Fukugyō De Zettai Muteki Kenshi O Tsutomeru Koto Ni ~ Sae Nai Jinsei O Okutteta Ore Ga Maō Tōbatsu No Kirifuda Ni?~

Unsō-ya no ossan ga naze ka fukugyō de zettai muteki kenshi o tsutomeru koto ni ~ sae nai jinsei o okutteta ore ga maō tōbatsu no kirifuda ni?~ : Jack is a boring middle-aged deliveryman leading an ordinary and uneventful life, until one day, he’s suddenly called to the roy