Asuka is the best female duelist in Duel Academy. She has a very keen sight for details and reads everyone one of her opponents moves. She forces her opponents to play their best cards, that way making her victory much more satisfying. And yet she has some attraction to Judai's personality. being the smartest at the academy of all the girls Asuka has many boys finding her attractive, However Asuka's personality is more for the game than love. In the anime, Asuka plays a "Cyber Girl" deck while in the manga she plays an "Ice" deck.
In the second season of Yu-Gi-Oh! GX Asuka moves into an available room at the Osiris Red dormitory to try to avoid the professor of the Obelisk Blue dorm, Cronos de Medici.