Bianca is a newly starting out Pokémon Trainer along with her two friends, Black and Cheren. She and Cheren are well acquainted with Professor Juniper and were the ones who recommended him to be the third Unova Pokédex holder despite her having never met the boy before. She is described as a girl who goes about in her own pace and is prone to impulsive actions that can get her and those around her in trouble.