Nanao's headache remedy

"Ceremony". Headmistress Esmeralda finishes her greeting speech to the new class of Kimberly Magic Academy first-years and offers to take questions. Nanao Hibiya not-so-helpfully pipes up to suggest a remedy for the headmistress's apparent headache, to the chagrin of Oliver Horn and amusement of everyone else.

Example of:
Stupid Question Bait