Oerba Dia Vanille is one of the main characters in the anime series 'Fainaru Fantajī Sātīn' (Final Fantasy XIII). Known for her optimistic and cheerful personality, Vanille is a mysterious young woman with a hidden past. She is a L'Cie from the village of Oerba, and her journey is central to the unfolding of the game's narrative. Vanille's role in the series involves her struggle with her fate as a L'Cie and the burden of her past actions, which adds depth and intrigue to her character.