She is the Queen of Gambler, Liars's Greed Re-Rise and Fall from Dangan Ronpa Game and Anime series, This is Celesstia Ludenberg Cosplay, she can manipulate others into her bidding, she can lie with a straight face with her ability she has won a lot of gambling and deceiving other students.
Celestia wears a gothic lolita style outfit with a white blouse with a peter-pan collar, with long black hair with two Large Twin-drill pigtails, you can see her detail appearance in the second Celesstia Ludenberg Cosplay picture, Mon have made very similar Celestia Ludenberg to the real one in the anime.