Disappear (AU Niall Horan and Harry Styles Fan Fiction)

20 year old Elouise's life takes an interesting turn when she meets a mysterious boy named Harry. He abruptly comes in and out of her life for long periods of time without explanation, but why does he owe an explanation to someone whom he has only exchanged one conversation with? However, none of that seems to matter when she meets Niall; he treats her the way she’s always dreamt of being treated. While Harry comes and goes at random times, Niall is there to stay and eventually becomes the Sun brightening her cloudy world to help her forget all the bad times in her past. He is all she wants now and forever with no intention to let her go. What will happen when Harry returns and grants her access past every wall he has worked so hard to build, revealing the answer to his constant disappearances? They send her through a roller coaster of emotions, but will Niall fight for what is his? Will Elouise absorb the sun rays that warm her soul, or will she succumb to the darkness hidden by desire?