The Demon King's Utopia

After dying of a terminal illness, when he woke up again, he was already in another world and became a god. However, how does this world resemble a game he once played? ! Did he really travel to another world, or was he trapped in a crazy human experiment? In this alien world where the gods rule the human world, he who comes from a peaceful era just wants to escape from this prison, return to his own world, and reunite with his relatives again... However, when he became familiar with the living souls, the dependence and worship of his subordinates and believers on him, and... The true love, could he really leave everything behind and leave?