The age of heroes is over. This is the story of how a villain is born... a villain who is a hero in his own story.

Hideki, or known as "Hide" is a desperate otaku and a shut-in-NEET who often gets bullied. By gaining a mysterious and dark power, Hide uses it for revenge and evil. It is only then that he awakens as the reincarnation of the most notorious, an evil, strongest, ruthless devil in history.