This is an edited version of the webtoon spin-off series, episodes 12-21 (complete).

The grand finale of "I Alone Level Up"
The final story of the side story has been revealed!!!

United States, Germany, France, Brazil, Spain, Argentina, Denmark, Sweden, Ukraine,
Exporting single volumes to countries around the world, including Portugal, Italy, Japan, Thailand, and China!!

#1 Amazon comics in France, Germany, and Brazil
2nd place on the French Amazon Books Chart
Entering the Japanese Oricon chart!

From the weakest to the strongest hunter, stand at the center of the world! The 15th volume of "Only I Level Up," a comic by Jang Seong-rak (REDICE STUDIO), which has been a hot topic on Kakao Page and has been serialized to explosive popularity, is now available. Originally written by Chugong and adapted by Hyun-gun, "Only I Level Up" is now available.
"Only I Level Up," which is coming to a close with 15 volumes, is a work that has proven its completeness, fun, and potential as content, enough to form a fandom in countries around the world through its global platform webtoon series.
Also, due to its overwhelming popularity, it was exported to Germany, France, and other countries before its domestic publication, and is continuing its export relay to countries around the world.
The single volume version has been completely re-edited and published in a generous format, allowing you to fully enjoy the thrill of the 'I'm Alone' action scenes, which is different from mobile viewing.
After reading one episode, you'll be hooked on the ultimate raid action adventure! The splendid return of Sung Jin-woo, the weakest E-rank hunter ever, with no money, no connections, and no skills, and his leveling up journey begins!