Amakawa Haruto, a twenty year old university student, loses his life when the bus he is on gets into an accident. As his consciousness begins to fade, his one regret is not telling his childhood friend, Miharu, how he felt. She'd disappeared after their high school entrance ceremony.
Now we move to the slums of the Kingdom of Beltrum. In a corner of a filthy shack, a boy named Rio moans and wakes from a nightmare. He has lived only to take revenge upon a certain man, but now, in his mind, suddenly there are flashes of another version of himself living in a world he's never seen before—the memories of Amakawa Haruto.
Use that light to increase your physical 
abilities and make your body stronger.
...استخدم ذلك الضوء لصنع قدرتك الجسدية، قوّة جسدك
Nutze dieses Licht,
um deine physischen Fähigkeiten
Usa esa luz para fortalecer
tu propio cuerpo,
Utilise-la
pour intensifier tes capacités
Usa quella luce per accrescere le tue capacità fisiche,
la robustezza del tuo corpo e dei tuoi muscoli...
Use esse brilho para fortalecer
suas habilidades físicas e corporais...
Используй его, чтобы твоё тело 
и физические возможности...