Time Traveling

You are in highschool but your highschool is full of maniacs like no other, some even future murders, but your not actually in highschool your 25, you stock your crush online in which your crush helps people online and even shared poems that have made it on buildboards, but your life hasnt been the same sknce during highschool your best friend died, a friend you knew since kindergarten, so one odd day you find a gem that lets you go back kn time and you saved your best friend from commiting suicide, you save a girl named Navida who bullied you who was pushed off a building and died, and another close friend of your Jay, you saved him from being beat to desth by his dad, but when you return to the present your crush no longer is anywhere on the internet but a news article of there death, and even your mom is no longer alive, its a mystery to go back in time retrase your mistake and find out who murdered your mom and crush, was it your best friend?..... you can choose how you look, your besties name is Regina, your crush is Kioni, shift the story how ever you like, and something aboit you is that your an amazing hacker, you are good at imitading handwriting, and boxing.