Highschool is the most unforgetable and enjoyble past that you want to repeat and repeat. For you that past is just a memories but for them that memories is the things that they need to continue and finish what you started. But that past they want to continue is the past that always give and gave you pain and hurt. What if that people that gave you a pain is comback in future. Do you want to enter in your life? Or do you want to forget them in your life