An Earth where dungeons and monsters are commonplace. Unfortunately, the main character, Kamishiro Souma, who aspires to be an adventurer, was a dropout at the adventurer's school. The days when you try hard but are not rewarded, and your teachers encourage you to go to a regular university. One day, Souma awakens to her ability to go to game-like other worlds by sleeping. Initially believing it to be a dream, Souma feels good and hunts monsters to raise her level. However, it turns out that his status in another world is reflected in reality. This makes Souma suddenly stronger and astonishes those around her.