Searching for the "raw" (the original Japanese scans) is common for this series for several reasons:
: It combines classic isekai tropes with action and fantasy, often leaning into the "overpowered protagonist" subgenre as Akira realizes the near-limitless potential of his drawing skill. Serialization & Availability Searching for the "raw" (the original Japanese scans)
The meat of the series. A dungeon that reflects thoughts . Most adventurers see treasure. The protagonist sees a blank manuscript page. He must "draw" the dungeon path to exit. The raw chapter 12 has a famous double-page spread that mimics a Japanese manga contest submission sheet, complete with fake editorial red-pen corrections. Searching for the "raw" (the original Japanese scans)
Since you specifically requested "raw" (Japanese source) information: Searching for the "raw" (the original Japanese scans)