Summoning the Dead (Also Known As: Magical Reality Version "Love Even If You Die")

After enjoying 20 years of "peace", the human world is once again facing a devastating crisis - the Necromancer reappears in the world! Can humans, who have just recovered from the ruins of the demon invasion, survive this catastrophe without heroes? ! God has no answer ——The gray-robed mage who was abandoned by God and abandoned God, who does he believe in?