Refers to dressing up as a character from anime, manga, games, etc. Often abbreviated as コスプレ, which is far more common in modern usage.
See also: コスプレ
She enjoys cosplaying as anime characters.
period drama; costume drama; costume play
Used for theatrical or film productions set in a historical period, emphasizing elaborate costumes. Less common than 時代劇 for Japanese period pieces.
The theater company puts on a costume drama every year.