Severus Snape. Evryone hates him. But one day he gives detention to ravenclaws and Luna wants to be his friend. However his reserved personality stops her. But what happens when she learns to prepare a personality changing potion?

Rowena, Helga, Salazar and Godric were best friends. Together they laid the foundations of the best ever school. But why did Salazar get estranged from them? Why did he leave? Read this to find out. It also has slight humor in the beginning so you may or may not count that as its third category.