My Wife's Billionaire Ghost

Businessman Cole Gordon is killed by his partner, Harvey Landon, and his soul enters The Netherworld. His wife, Clara Shaw, burns offerings, giving Cole wealth and power in The Netherworld. When Cole learns Clara is coerced by Harvey, he defies rules to return to save her. He becomes the new ruler of The Netherworld, reforms its laws, and secretly protects Clara until her death. He then breaks reincarnation rules and stays with Clara in The Netherworld for eternity.