The Saint’s Dungeon Business

Guwon played a new adult game, and he got teleported to the world that’s the same to the game.
It is the world of levelling up by having s*x.
While he mastered countless many adult games, Guwon, a virgin in reality, relies on his job Saint given at the beginning of the game and dreams to make harem
*Saint here can also be translated to s*x Man