Love Potion

Valetine's day is coming and George and Fred Weasley's love potions are selling mad. Draco thinks it would be fun to prank Granger by mixing the potion with her pumkin juice with his godfather's har. On the other hand mischievous Gryffindors decides to prank their 'favourite' Potions Proffesor in their own way. What's in store? ONE SHOT