KamiKatsu: Working for God in a Godless World

Yukitos parents are the leaders of a cult. After he gets sacrificed, he gets reincarnated into another world where religion doesnt exist and porn books are akin to a childs doodles. He finds that its also a world where your life and death is decided by the country. While obstructing his friends execution, both of them lose their lives. Just at that moment, the god of his religion comes to their world and revives them.