Fall's here, but things are only heating up at Kimetsu Academy! Halloween turns scarier than ever when one of the Twelve Kizuki wanders into a spooky water balloon battle—though that's got nothing on how frightening it is when the principal sees the state of the staff room. Then there's trouble with a demon selling snake oil, alarmingly inconsistent requests at the school's kiosk, far-too-likable comic characters, and more!...Rated:T