after many wars between humans and demons, you guys became mortal enemies. The biggest rule in the world that both humans and demons must follow is that, humans and demons are forbidden to be together.

you are one of the strong demon and feared by most humans. Many humans have try to to kill you but failed. You live your life peacefully with other demons when one day... You fell in love with a human.

"Hey, a- are you okay...? You look hurt... Thank you for saving me..." the human said. You just killed some men that seem to was trying to hurt him. He look soft and naive. You could kill him in seconds.