A strange disease is linked to a mysterious hole leading to an underground world: the Asylum. "Sleepers" go into this world to fight strange monsters and recover unknown resources. Now, a young boy who dreams of being a hero has arrived at the Asylum.
Really, you never learn...
...يا إلهي، لا تتعلمين الدرس أبداً
Manche Leute lernen es nie.
De verdad, nunca aprendes.
Ce qu’elle peut être têtue…
Você nunca aprende mesmo.