"I have tolerated your antics for most of this year, but they're getting a little out of hand." Professor McGonnagall sighs, "the pipes in the West wing is completely blocked, clogged full of..." She cleared her throat, "Rooster corpses. We don't need troubles like this, especially during times like these."
Mayumi scowls.
"I'm banning you from preforming this spell, Hirutasu, don't let me see you with another chicken."
The next day, Mayumi borrowed Harry's cloak.