Shuka has red eyes and long blonde hair that she has tied into two long braids. She is usually shown wearing a dark red dress, though she wore a black dress when she visited Trinity's event. Whenever she becomes serious, it is shown by her having black eyes.
Shuka is typically friendly with people but can become deadly if needed. Originally, she became interested in Sudou Kaname because he was a rookie and because he managed to defeat Banda-kun, though she later falls in love with him after he beats her. Because of this, she obeys anything that Kaname tells her, and doesn't appreciate it if other men touch her, as shown when she used her sigil to sever the hand of a student that tried to flirt with her. Also, in order to impress Kaname, she is sometimes shown to get a little out of control such as when she staked her own clan in a bet with Themis.
She is not afraid of dying, telling Liu Xuelan that people shouldn't have been born if they were scared of dying. Early on when Sunset Ravens was formed, she was distrustful of Rein, though their relationship seems to have improved since then, with her asking for advice on how to prevent Kaname from falling in love with other girls.
When Shuka was a child, she lived with her parents in a mansion. One night, when both of her parents her home, her parents were killed by a Darwin's Game player. She herself didn't get involved with the game until later when a girl called Miho tricked her into playing, and Miho was the first player she killed. Sometime later, she killed the man who killed her parents, and was planning to kill herself but encountered Kaname instead.
Queen of Thorn (
Skilled Fighter: Shuka is shown to be able to fight head on with Xuelan, the number 1 ranked player, and was able to withstand the latter's killing intent due to not being afraid of dying.
Equipment: Shuka uses various wirelike weapons in conjunction with her sigil, which she designs herself.
- According to the anime, Shuka's birthday is March 26.