DUNGEON SEEKERS: Smartphone App kara Hajimaru Gendai Dungeon Seiatsuroku
ダンジョンシーカーズ〜スマホアプリからはじまる現代ダンジョン制圧録～
A high school student named Kurase Koryu often feels bored during his daily routine. While walking home one day, he notices an unusual QR code on a telephone pole and decides to scan it with his smartphone. This leads him to download an app called Dungeon Seekers. By using his phone's camera, he gains access to a dungeon filled with monsters.