I really love this, especially the style in which you've written it. It's something out of the ordinary. Kind of poem like, but slightly casual at the same time. I like that mix.
But I just thought, how can the devil be pulling you toward someone who looks so much like an angel when she smiles at you?
This was the best line in the prologue in my opinion. It's a clever description and says a lot. I like the way you've set-up his contrasting feelings for her where he obviously seemed to have fallen for her, but it also appears like he regrets doing so a bit.
My only criticism is that the summary is repetitive. The definition of a wallflower is in the banner image already so also having it in the summary doesn't seem necessary. I think you could find another way to state that she is the wallflower in this story in the summary if you wanted.
This is very well-written so far and seems like it's going to be a beautiful story. The layout is also absolutely gorgeous. I hope you eventually update.
I love how you used what Taylor Swift said in the beginning of Troubles music video. But, how you changed it from he to she. I'm excited for this to start. Update soon please!! :)
Cool can't wait til then