Define costume play in simple terms. Costume play refers to dressing up and pretending to be a particular character from a manga. This trend has a massive trend amongst fans of nerd subculture internationally. People carefully create costumes and props in order to faithfully represent their favorite characters. Cosplayers usually attend conventions or cosplay events, where they can exhibit their artistry and connect with like-minded individuals who share the same passion. Ultimately, costume play is an manifestation of admiration and dedication for a fictional character and the love for the geek community.