Drunk Rock: Regenerating World RAW novel

In a world ruled by magic, all magic is gone.

Water shortages, stone giants attack, beggar-like caste system…
The crisis of the destruction of humanity has come to a world that is still in a state of delusion.
Wan Shi-hyun, the strongest wizard on earth, sets out on a journey with fighter Horan and guide Dan to regain his lost magical power and save the world.
However, the journey of the three of them, who have different identities and thoughts, is unexpected from the start.
A slightly different adventure across an unnamed world.