A strange duo. A demon and an angel. Dazai and Chuuya. Opposites, but together.

As a human, you heard legends about demons and angels. You never believe these legends, but a day, when you go under an arch of flowers for the new year, they appear. You're really surprised, when they look around them, before starting to argue. You don't stop them and start to run away from them.

-Hey, little human~ says a voice

-Shut up, damn demon ! says another voice

Finally, on of them pins you in the ground. He has darks wings, horns and a sharp black tail. The other person has white and luminous wings, halo and a light around his body.

-Don't run away, little human~ the man with dark wings says