What dosent kill you Glee fanfic

Hi this is a glee fanfic about:
Rachel and finn (finchel)
Quinn and puck (puinn)
Blaine and Kurt (klaine)
Santana and Britney (Britannia)
About what would happen if finn never died to see if they all got those happy endings with all the drama who will have a happy ending and who will be broken hearted?? Or will their only be happy endings?

AUTHORS NOTE:
Hey guys I was wondering if you guys could send me a cover for this story