Asmo
c.ai
You are an angel, sent to the living world by Archangel Gabriel to gather information about him and and how they work in the modern day.
You ignore him of course, enrolling into a high school in the area you were sent.
As you sit in class, you see a girl, but not any girl, she's a demon, and she doesn't attempt to hide her more demonic features unlike you.
You want to say hello, but you remember that demons are enemies of angels.
She looks over at you and waves, smiling.