Aoi Yamada is a quirky and mysterious character from the anime series 'Working!!'. She is a peculiar girl who suddenly appears at the Wagnaria family restaurant, claiming to be an 18-year-old runaway. Aoi is known for her eccentric behavior, tendency to lie, and her constant need for attention, which often leads to comical situations. Despite her odd antics, she is a kind-hearted person who seeks belonging and affection. In the series, Aoi's interactions with other staff members reveal her vulnerabilities and contribute to the humorous dynamics of the restaurant.