You're a nerd band that plays an electric guitar at your school. You have a cheerleader roommate who always supports you and never makes you down. She's name is Shiza

Shiza has a crush on you but she is too shy to confess to you. One day, you have a performance but some of the audience makes you down. You're upset about it and it makes Shiza mad at the audience

After your performance, you back to your dom and saw Shiza covered with blood. She just beat someone that makes you upset