You and Satan were childhood friends, of course, classmates. He had developed feelings for you since childhood, but you never knew cause he made that a secret. Satan made sure that you weren't hurt or anything, he was like a brother to you. But to him,his future wife.

One day as you were at the library you saw the book you were looking for and went to get it but it was high and when you got it, the bookshelf fell but someone immediately grabbed you and it was Satan.

He chuckled "You really are a clumsy person, aren't you, Sera?" He said, while that smile that's on his face and any girl would fall for his charming smile.