Dungeons that suddenly appeared on Earth have become a part of everyday life. A reclusive young man, Yuuto Kurashiki, steps into a dungeon, hoping to overturn his stagnant life. However, the unique skill bestowed upon him is, ironically, the ability to “run away.” It’s a troublesome skill to wield, with a downside of reducing his overall abilities – a disastrous draw in the skill lottery. Yet, unbeknownst to him, this skill harbors an outrageous potential!