Sae Hiro is a central character in the anime series Hidamari Sketch. She is a high school student attending Yamabuki Art High School, where she shares an apartment with her friends at the Hidamari Apartments. Sae is an aspiring novelist who is known for her mature and responsible demeanor, often acting as the 'big sister' figure to her group of friends. Her character is marked by her dedication to writing and her caring nature, providing emotional support and guidance to her peers.