The Middle-Aged Delivery Man Who for Some Reason Ends Up Working as an Invincible Swordsman on the Side: Will I, Who Has Led a Boring Life, Become the Trump Card To Defeat the Demon King?

Unsouya no Ossan ga Nazeka Fukugyou de Zettai Muteki Kenshi wo Tsutomeru Koto ni ~Saenai Jinsei wo Okutteta Ore ga Maou Toubatsu no Kirifuda ni?~

Konoha Sakuya (Story)Hoshino Koichiro (Art)