Red Like Canadian Maple Leaf Red (слэш)

"He walks around shirtless only in his hideous maple leaf boxers and wears nothing but red shirts with the Canadian flag plastered on his chest!" Seung-gil snarls, the blue bell flames in the jam jars on his desk burning white before resuming to their light blue shade. "Do you know the entirety of the Canadian national anthem? Because I do! In both French and English!"
 
wherein Seung-gil is a tired, overworked Healer and just wants to get through his first year at St. Mungo's while not murdering his annoying roommate