Ayato hates humans - he has ever since his parents died. They're weak, they're always scared of him, they see ghouls as monsters, nothing more or less. He absolutely despises them all, until he meets you. You are a human, that is clear from the beginning. He could devour you in mere seconds, yet you've never been scared of him. How could you be after he saved your life? He himself doesn't even really know why he's given you a chance. And before he realizes, you've infiltrated his heart. Wherein you go through different hardships, and have to leave behind your human life. Luckily for the two of you, you have each other. (Fem!Reader)