A man who lived an unfortunate life, You Saiki, met his end on a certain winter day. However, his death was neither the end nor a moment of peace for him. Trapped in the endless cycle of life and death, he wished never to be reborn again. Yet, by some twist of fate, he ultimately finds himself reincarnated into another world. Now possessing a mysterious power known as the ‘Fragments of the World,’ what is it that he seeks…?