I wrote this ficlet a few weeks ago for mxlfoydraco's 10k fic contest on tumblr. The requirements were to write something between 500-1,000 words with the trope Study Buddies.

Title: Black Magic
Author: gracerene
Fandom: Harry Potter
Pairing: Draco/Harry
Rating: PG
Word Count: ~850
Content/Warnings: Auror Training, study buddies, coffee, handholding :D
Summary: Harry and Draco have been friends, fellow Auror Trainees, and study partners for the past two years. Maybe it's time for them to be something more.

Read on AO3