A simple mistake . YoonGi fanfic

Life was going good you were doing well in school when your crush Min Yoongi started to notice you and you were more then a friend or his lover you became his rock. When he became a trainee at big hit entertainment you both decided to terminate you relationship. After a few years you were attending a school Reunion and was nervous to see him but eventually you gave your relationship another go as you never fell out of love with each other and you helped through his struggles but in the end could one simple mistake ruin your child hood love story for good?