She's back again(infinite and B1A4 fan fic)

Hae-rin,a normal girl who's passionate in singing. she is a kpop fangirl like her friends.But on stage,she is a star,well loved by people and has a gorgeous and angelic face.Her life is just perfect.And what if she had four boys in infinite she has always fangirling with fell in love with her,when after this she sadly must choose one.Him and hae-rin were very happy together at first,but one day some misunderstanding happened.Hae-rin tried explaining but he just won't believe her and even broke up with her.But when hae-rin was so upset and couldn't forget about him,someone from B1A4 came to her and they got together. When he realized his mistakes and found that he can't live without her,he tried his best to get her back. So will she come back again,or will she never come back?