Naze Isekai Dungeon de Smartphone ga Tsunagaru no ka: Rindou Haruto no Jailbreak
なぜ異世界ダンジョンでスマホがつながるのか~竜胆遥人の迷宮攻略〈ジェイルブレイク〉
A high school student named Rindou Haruto is transported into the world of "LuVYRINTH," a dungeon exploration game where survival depends on a smartphone. Stamina in the game corresponds to the phone's battery life, and when it depletes, monsters and other elements activate, leading to failure. Haruto possesses a unique application called "One Off App," which is essential for clearing the dungeon.