Hogwarts' Druid Master

Using Druid spells to transform into a bear is called Bear Druid.Using Druid spells to transform into a Moonkin is called Moonkin Druid.So, using Druid spells to transform into a human, naturally should be called Human Druid.This is the story of a little kitty who accidentally obtained Druid magic from another world, was mistaken for an Animagus by wizards, and learns how to live as a human at Hogwarts.What bad intentions could a little kitty possibly have?