Holstein Hanako-san is the titular character of the anime series 'Holstein Hanako-san.' She is a unique character who embodies both the characteristics of a cow and a young girl. Known for her gentle demeanor and empathetic nature, Hanako navigates the complexities of human and bovine interactions with curiosity and kindness. Her role in the series is to explore themes of identity and belonging, often finding herself in humorous situations that highlight the absurdity of her dual existence. Through her adventures, Hanako brings joy and unexpected wisdom to those around her.