I spent a while trying to think of a costume that would be fairly recognizable, family friendly, and doable in a couple weeks. It suddenly hit me, Bleach! I used to both read the manga and watch the show so I'm relatively familiar with the early parts of the story (there's a crazy amount of chapters/episodes now). I asked my boyfriend to participate as well, and we agreed on dressing as Momo Hinamori and Renji Abarai. These characters are both lieutenant shinigami, who wear a black and white uniform based on traditional Japanese clothing.
I don't have finished photos yet, but here's a bit of a sneak peak and some construction notes: