Tell me.....What happens if everything you knew suddenly disappears?If the world you've known vanishes?What if nothing makes sense to you anymore, perseverance is a powerful tool that can take you to high peaks, but that is only in our world, those rules don't apply to this embodiment of hell.Thrown into a complete chaos, troubles follow wherever they go, coming into a completely different world where common knowledge is useless, how can they survive?Haku Yuta is caught in an inescapable predicament, together with his classmates, their ability to survive as a group is tested, to the point where even minor mistakes can threaten their survival.When cornered, even the most harmless of things bare their fangs."If it were only me" the thought always crossed Haku's mind, but what can he do?The life of his own, and others is in his hands.