Watashi no Jashin-sama wo Agamete kudasai! - Isekai de Jakyou no Shinkan ni Natta no de Nonbiri Dendou shite Mita

"We are all just flesh!"
"Come on, everyone, why don't you become a follower of the evil god Kowakuna, who presides over death and destruction?"

In a different world of swords and magic, the main character Niwa is a dark knight of the evil god Kowakuna, who preaches salvation through death. While fighting against the apostles of the fertility god who claim to love humanity and landlords who demand rent payments, he works steadily today to increase the number of believers in his evil religion.