Katsucon is an annual 3-day fan convention held in the D.C. metro area dedicated to Japanese animation, society, and traditional and popular culture. The event features extensive programming including panels, workshops, gaming, karaoke, and cultural activities through the Japanese Culture Institute, alongside a vibrant cosplay community and artist alley. Attendees enjoy diverse entertainment from voice actors and musical guests to masquerades, formal balls, and specialty events like the maid cafe and J-fashion showcase.