Homicidal Rainbow

Levi is a senior and Eren, the only boy who is out in the school, a sophomore, has a huge crush on him. He tries to befriend Levi but the boy is intent on being alone- that is, until he realizes Eren is on a downward spiral that almost reminds him of himself. He tries to help, but one day, Eren brings a gun to school. One-sided Ereri. I'm shit at summaries. More information inside.