FictionTraveler

Zero was a victim of the War of Harem.

Two years of his journey as a demon in a world resembling a game he once played ended in a tragic death. 

Fortunately, his soul returned to Earth.

On Earth, he was no longer Zero, the Greatest Villain, but Ernest, a runaway child haunted by an inferiority complex. 

Until ...

"So, you wanted us to get married so that you could make me your furnace?"

He ended up being a furnace for his new wife.  

Behind his role as a furnace husband, he gathered strength from the shadows to prepare for another catastrophe.

Because he returned to Earth 10 years before he was sent to the Netherworld.

Table of The Greatest Villain Returned: My Role Is My Wife's Furnace

Table of contents

Volume 1