|Japanese translated||Tetsuko Takeda|
|Anime debut||Yu-Gi-Oh! ZEXAL episode 19: "The Edge of the World"|
Brianna Stone, known as Tetsuko Takeda in the Japanese version, is Bronk's older sister and the daughter of Tetsumi Stone.
Like Bronk, she wears suspenders and an orange cap backwards. She also wears an orange tanktop and blue shorts.
Brianna is a friend of Yuma's sister Kari. She attended a school reunion event (wedding in the English anime) with Kari.