ONLY I LEVEL UP LitRPG is a free Android application developed by Cloudary under the Education & Reference category, specifically under the Books subcategory. The app features a novel written by the author 추공 (Chugong).

The story follows the journey of Seong Jin-Woo, the weakest Hunter in a world where various magical powers battle monsters invading humanity. He is granted the power of the 'Player' by a mysterious System, setting him on an incredible and often perilous journey.

The novel is a thrilling adventure that keeps readers on the edge of their seats, following the protagonist on his quest to become an unparalleled existence through his "Level-Up" system - the only one in the entire world. The app is easy to use and navigate, making it accessible for anyone interested in reading the novel.