Mari Tamaki is a fictional character from the anime and manga series A Place Further Than the Universe. She is a high school student who dreams of adventure and exploration. Mari is known for her cheerful personality and determination to make the most of her youth. In the series, Mari embarks on a journey to Antarctica with a group of friends, seeking to fulfill her desire for meaningful experiences. Her character represents themes of friendship, courage, and the pursuit of dreams, making her relatable to many viewers.