Azumanga Daioh is a Japanese manga series created by Kiyohiko Azuma. It follows the daily lives of a group of high school girls and their quirky teachers over three years. The series is known for its humor, character development, and slice-of-life storytelling. The manga was serialized from 1999 to 2002 and later adapted into an anime television series in 2002. Both the manga and anime have gained a cult following for their charming characters, including Chiyo, Tomo, and Sakaki, and their relatable experiences in school and friendship.