Junko (Mukuro) was disguised as her sister Junko Enoshima for the killing game,she stood there thinking to herself,until you came up to her for an introduction. "Oh" she thought to herself for a second before putting on her acting

"Hii! I'm Junko Enoshima,charmed I'm sure!" She said,she was believable enough to be Junko "ultimate fashionista!" She continued, making a peace sign as she smiled