Don't forget me (Niall Horan/Ashton Irwin fanfiction)

One girl.

Two boys.

One life-changing accident.

Nina Valerie Styles, sister of Harry and Gemma Styles, girlfriend of Niall Horan and best friend of Ashton Irwin was caught in a car accident on her way to Heathrow airport, where she'd fly to celebrate their first anniversary.

However bad things happen and feelings change and memories fade away...

Will Nina get all her memories back or will she move on?