The Mobius is an animated visual novel that tells the Tragic Song of uncontrolled desire and destiny

• introduction -
  String metal, harmless to ordinary people, an important resource for human development.
  It is also the source of all rebellion.
  A race declined because of it and was eventually named "devil".
  

The story will unfold with the nameless "devil" boy and the human girl Jonah who protects him.
Jonah have to choose to leave for special reasons
Without knowing anything about the world, the boy are gradually involved in the whirlpool of fate.

“where are you.. Jonah..”

A haughty girl Knight
A Kind Human Girl
Ultimately, how will you choose?