Upon the discovery of Magic, Earth was thrown to a never ending World War. Otsuka Takumi, an Infantry Mage of the Asian Magitech Coalition, was sent to the forefront of the war where he met with his demise. However, Takumi's death does not spell the end of his journey. He awakens in a hospital and finds himself in a world not too different to the stories and pictures from his childhood when Earth was not ravaged by war. Albeit Takumi notices that something was different and yet familiar and that is that Magic exists in this world and this world also has dungeons and a leveling system! Takumi finds himself in a tough spot when this said magic is very different from what he knows and that he he discovered that he is starting from level 1. He now must navigate a society where dungeons are normal and one's skill is measured by levels.