I looooove Halloween, including dressing up! When I was in elementary/high school I dedicated my Halloweens to being 'scary' things (ghost vampire skeleton alien etc); in college we always had Halloween parties in anime club so I got to wear cosplays instead. The year we watched Baccano! a bunch of us wore cosplay from it or Baccano-era-esque dress at least, which made for a great picture.