Yukihiko, a boy with a soul that is loved by demons called the ``Sacrifice Soul, has been able to see ghosts since he was young.

Yukihiko thinks its a ghost, but its actually a devil.

People possessed by demons are robbed of their luck and are more likely to die from unfortunate accidents.

Yukihiko wanted a peaceful life and wanted her friends and girlfriend, but whenever he was around her, he would involve someone else and make them unhappy.

One day, while he was wondering if he could somehow get rid of the demon, the protagonist encounters a real demon.

He runs away to a church where he meets a sister named Alicia, and they make a pact to exterminate the demon.

However, Alicias true identity is a devil plotting to become the Demon King.