Majored in economics and at the time of the world's collapse was serving in the Korean military. 

~! With the help of an item from ‘Challenger Box’ he returned to the past and decided to control the world from behind the scenes and make it ready for future invasion.!~

In a world crawling with monsters and dungeons, Na Sunhoo and the other Awakeneds fight to protect humanity. But after he is killed in a deadly battle, a screen appears: "Initiate Time Regression?" Now with a second chance at life, Sunhoo returns to the past, determined to make as much money as possible to buy the land the dungeon is on and destroy it before the monsters can appear. With innocent lives at risk, can Sunhoo strike it rich and vanquish the monsters once and for all?
 
(Source: Tapas)

[Would you like to reverse time?] 
[All stats will be reset] 
[Please pick a date.] 
 
"February 28th, 1985. The day I was born." Wealth, I will seize all the money in the world. Monopoly, I will seize all the dungeons in the world. At this time, while the world is still peaceful.

Seon-Hu Na