Remember Self-Control: Bossy Husband Loves Me Deep to Soul - Chapter 15: Si Wan will Leave.

A struggling businessman on the verge of bankruptcy finds himself drunk one night, only to wake up in the past—specifically, in 1943 London, amidst the chaos of World War II.This is an era of both immense danger and unprecedented opportunity. It is a time when the British Empire, once the unrivaled superpower where the sun never set, is finally witnessing the dusk of its dominion. Meanwhile, the United States is rising to claim the mantle of global leadership, reshaping the world's balance of power.This is the era where everything begins—where old rulers step down and new powers rise to take their place. This is the era where Pierre finds himself, an era filled with the kind of opportunity he never had before. A small, precious chance to rise, to become a giant, to seize the throne of power, to become a ruler, a world hegemon.

The Mc reincarnates in a world of magic and adventure as a Leech, follow his adventure in this mysterious and exciting world as he goes from the weakest creature to the shadow being that everyone is afraid of. Will he pursue the path of strength alone? Or without realizing it he will become the king of the greatest empire that ever lived.

This world is Heaven.

Because this world has everything you dream of, everything you wish for.

This world is Hell.

Because everyone in this world are parts of a never-ending massacre.

Are you fighting to survive, or fighting to come home?

- Description from Novelupdates