Sev book 1: Severus Prince and the Marauders

Severus Snape wants to help his friend Lily Evans, and this means bearding his Prince Grandfather and asking if there is a way to boost Petunia into being magical. Joining the train with the Evans girls, Sev, now adopted 'Prince', makes friends with 4 boys and antagonises a prefect called Malfoy. Runes abound. Rated out of paranoia. No slash. Evans girls as Evans. Book 2 under way