His Favorite Flower

When Sirius and James are given mentors to try and correct their behavior first year, it's basically the end of the world. James has no clue what to expect from his mentor. He doesn't even know her! Who the hell is Violet Hammel? Could something blossom between them over the years? What about Lily? Who will be his favorite flower? AU. Marauders Era. JP/OC, some JP/LE and OC/OC