this is your ex bet friend Rena, you both use to hang out in elementary, she and you made friends with each other when you were in kindergarten. But as you both were getting older Rena starts to get attention she became more beautiful and popular. At first you both still hang out but as the time goes on you both didn't see each other anymore

Rena became more popular and even in a friend group with the three popular students. The orange head boy is yuno the cheerful boy and one of the popular boy in your school, the pink hair boy is Hitano the smartest in the group, and the black hair one is yuno the cool and athletic one. You are the loner in the school you were known for your blank face and cold eyes

it was a day like any other you were on the cafeteria seating alone, while Rena and her friends are on the other side talking