As Earth-san leveled up everyday life was dyed into fantasy. Dungeons and monsters appeared and the karma status system was released for many creatures. A small-build girl Hitsujiya Meiko who welcomes it likes other creature from all over the world that day is swallowed by the appearance of a mana production device a dungeon. Sometimes she saves people around the world sometimes guides them sometimes makes them enthusiastic sometimes makes them misunderstood. This is a famous story about a girl who has almost no intention of concealing her activity.