The Tale Of Kitsuna - Chapter 27

She and the blind date met man get married soon. She did not expect that the "ordinary" new husband turned out to be the CEO of the company she worked for.

For three years, Finn Taylor is utterly humiliated. He has endured everything from physical beatings to verbal abuse. For three long years, he has gone by only one identity—the useless matrilocal son-in-law of the Larson family. But this life as he knows it is about to be turned upside-down as he reclaims his position as the head of Peregrine Hall.

When a person dies, they either die light as a feather (aka unimportant) or heavy as Mt. Tai (aka very important).

Our protagonist was a Mexican who died on a flight, when he woke up he found Apollo who reincarnated him as the grandson of Gaius Octavian Turino (Augustus) the first Roman emperor, having a mission in hand to conquer the New World to save the Roman polytheist world and his existence.