Friends Or More?

Poppy has been feeling down in the dumps lately because heartache and it catches the attention of grumpy grey Branch who feels bad for her, so he takes her to his bunker to make her feel better and over the course of time they become inseparable. Will they become friends or something more? also This takes place in an au where the events of the movie never happened and they're all already friends with the Bergens and Branch is grey.