Awesome Art: The style the movie is drawn in is quite grungy yet excellent and is quite unique even today. With special mention going to the designs and expressions of many of the characters. Many have compared it fondly to works by Studio Gainax.
Rinne's teacher's way of "Disciplining" his class? His Belt. Normally not very funny, but the expressive art style, The Teacher himself, and The reactions of the classmates provides one of the funniest moments in the film.