also: コスプレショウ
noun
cosplay show
An event or performance where participants dress up as characters from anime, manga, games, etc. Often a stage show or competition.
See also: コスプレ
今度の日曜日にコスプレショーを見に行く。
I'm going to see a cosplay show this Sunday.
彼女はコスプレショーで優勝した。
She won the cosplay show.