Seitokai Yakuindomo
Episode 2
S3 E2:
The student council is the same as always. Suzu loses her appetite during lunch, and starts to feel ill. Uomi, the Eiryou student council president, comes to Ousai Academy. She's impressed by the wonderful arrangement of flowers that decorates the student council room. Ousai Academy has been hit with an onslaught of hay fever. It's possible the hay fever is causing some bathroom incidents...