Zuzu Boyle, known as Yuzu Hiragi or Yuzu Hiiragi ( Hīragi Yuzu) in the Japanese version, is one of the main characters and a childhood friend of Yuya Sakaki in the Yu-Gi-Oh! ARC-V anime. She gives powerful pep talks. Her father owns You Show Duel School, the Duel school that she and Yuya attend, where they spend their time honing their Dueling skills. She functions as the straight man in comedy acts with Yuya.
Like Yuya, she also has dimensional counterparts: Celina (Fusion Dimension), Rin (Synchro Dimension), and Lulu Obsidian (Xyz Dimension). She is also a reincarnation of Ray Akaba.