I Am Really Not a God, the System Forced Me to Double-Sided

When a modern salty fish wakes up, during the day he is a puppet emperor whose imperial power has fallen by the wayside, and at night he is a wasteland monk whose spiritual energy has revived. He originally wanted to show off on both sides, but two deceitful systems teamed up to force him: either he would become an emperor for eternity in the court, or he would become a legend of cultivating immortals in the wasteland.