Severus snape finally snaps.. he sends a letter to lily and the marauders. After reading the letter lily, James, remus and Peter didn't feel guilty at all.. but as for sirius, something inside him snap and he felt guilt swell his heart so he decided to try and make up to Severus before he leaves them for good.

(Y/N) had been friends with Severus for about 4 years when he graduated from Hogwarts. She continued her studies, but always thought of Severus once in a while. In her 7th Year however, she found a trace of Severus' whereabouts...