In Another World with My Smartphone, Vol. 11 (manga) — Patora Fuyuhara

Imprisoned for his heretical behavior in front of the pope of the Ramissh Theocracy, Touya must break out and save Phyllis, who's been sentenced to death after speaking of her encounter with Touya's own god. After searching the jail, he finds who he's looking for…along with the actual pope, who reveals the secret behind the Ramissh Theocracy's founding! What could the cardinals of the faith be trying to achieve by discarding their true leader...?