Blue Moon ▸ Neville Longbottom

Every once in a blue moon, things went right for Neville Longbottom. Which is exactly why, on 1st September of 1995, Evelyn Bishop came marching into his compartment on the train, professing her absolute lack of skills in Herbology and her vivid desire to pass her Herbology O.W.L., with his help of course.