Chiharu Andou is a supporting character in the anime and manga series Ginga Tetsudou 999 (Galaxy Express 999). She is a gentle and kind-hearted girl who appears in the 'Chiharu's Letter' episode, where she befriends the protagonist, Tetsurou Hoshino. Chiharu's role is pivotal in showcasing the emotional depth of the series, as her struggle with illness and her heartfelt desire to see the universe highlight the human stories encountered along the journey. Her story leaves a lasting impact on Tetsurou.