This Korean novel and manga series has gained worldwide popularity, with original story and concept by Chugong, illustrations by DUBU (REDICE STUDIO), and adaptation by h-goon (published by D&C MEDIA).
In Japan, the series has exceeded 650 million pageviews on the digital manga and novel service Piccoma, and it
has finally been made into an anime, which the world has been waiting for.

The story takes place in a world where there are "gates" that connect another dimension to the present world,
and where people with special abilities called "hunters" exist. One day, Shun Mizushino
, the lowest-ranked hunter known as the weakest weapon of humanity,
suddenly gains the power to "level up" on his own.

By overcoming numerous challenges, Shun rises from "weakest" to "strongest".

It has been more than a decade since the appearance of "Gates", passages connecting the other dimension and the present world, all over the world.
Humans who have awakened to superhuman powers, called "Hunters",
are constantly fighting against the monsters that inhabit the dungeons inside the Gates.
Normally, a Hunter's abilities do not grow after awakening, and their rank never changes.
However, Mizushino Shun, a low-ranked Hunter who was called the weakest weapon of humanity,
gains the power to "level up" on his own during a raid in a double dungeon, and improves his abilities in battle.
After clearing the job change quest and obtaining the job "Shadow Lord" that allows him to command shadow soldiers, Shun
throws himself into a new battle in search of materials for the "Divine Water of Life" that may cure his sick mother.