Solo Leveling Novel Volume 1 was written by Chugong.

E-rank hunter Jinwoo Sung has no money, no talent, and no prospects to speak of—and apparently, no luck, either! When he enters a hidden double dungeon one fateful day, he’s abandoned by his party and left to die at the hands of some of the most horrific monsters he’s ever encountered. But just before the last, fatal blow…

Solo Leveling Novel Volume 2 was written by Chugong.

With the help of the system, Jinwoo Sung has gone from the Weakest Hunter of All Mankind to…well, something else entirely! However, his situation hasn’t gone unnoticed like he’d hoped and he’s starting to attract some unwanted attention. As Jinwoo’s abilities reach new heights, will he be able to continue leveling up in peace?

Solo Leveling Novel Volume 3 was written by Chugong.

When Jinwoo gets his rank reevaluated, the results are even better than he could have dreamed of...but more importantly, a chance to heal his mother from her strange illness falls into his lap. In order to find the cure, he must make his way further into the Demon’s Castle—and now that there’s finally hope at the end of the tunnel, nothing can get in his way.

Solo Leveling Novel Volume 4 was written by Chugong.

It’s time to take back Jeju Island! After multiple failures to recover the island from the S-rank ant-type magic beasts that swarmed the island, the South Korean and Japanese Hunter’s Associations have forged an alliance to reclaim the land from the beasts. But even for such an elite group of hunters, this will prove to be the toughest challenge yet!