Explain cosplay heart plainly. Costume play involves dressing up and pretending to be a particular character from a anime. This trend has immensely popular amongst fans of nerd subculture internationally. Individuals carefully create costumes and accessories in order to faithfully represent their favorite characters. Costume players frequently participate in conventions or costume play events, where they can showcase their creativity and connect with like-minded individuals who share the same passion. In the end, costume play is an form of admiration and commitment for a fictional character and a love for the geek community.