Takumi Saiki has retired from work and is living a life free from care, when he finds he’s been summoned to another world. He is one of four people brought as heroes through a secret ceremony and tasked with defeating an invading army of the Demon Lord. There’s a “Hero,” a “Sage,” a “Priestess”…and Takumi’s…a “God?” This heartwarming (?) story is about a FORMER old man that becomes “God” in another world. *Source: Alpha Manga*

I was summoned to an unknown world to defeat the Demon King, but my level seems to be very low when compared to the others that were summoned with me... Wait a minute, my occupation is "God?" (Source: Alphapolis, translated)