Do You Take Sugar? (слэш)

Shockingly, Harry actually enjoyed his latest Herbology assignment. He’d been asked to tend to a plant that only grew when someone sang to it - the more enthusiastic the singing, the larger it grew. He’d done such a good job that his plant had been the largest in the class.
Unfortunately, his good mood soured when he was accused of cheating. Upon being summoned to Dumbledore’s office, he was determined to prove that he wasn’t a cheater.
It was hardly his fault that his plant happened to enjoy his passionate cover of Pour Some Sugar On Me…