Aoba, who lives a pretty ordinary life, works at the junk shop "Mediocrity." The manager asks him to make a delivery one day, but he finds out that there's nothing at the address he was supposed to deliver it to. It was then that Aoba was consumed by light and he was within a mysterious world.
To want only light without 
ever knowing the dark...
...أن تريد الضياء فقط دون أن تعرف الظلام أبداً
Die Finsternis missachtend
 nur das Licht zu ersehnen …
Vivir en la luz sin conocer la oscuridad...
Vivir en la luz sin conocer la oscuridad...
Não sou capaz de só desejar a luz...