The Tsurayuki nikki, or Tsurayuki Diary, is a famous work of Japanese literature written by Ki no Tsurayuki in the early 10th century. It is considered one of the earliest examples of a personal diary in Japan, providing insights into the life and thoughts of its author. The diary is notable for its poetic style and includes a mix of prose and poetry, reflecting Tsurayuki's experiences and observations. In addition to its literary significance, the Tsurayuki nikki offers valuable historical context about the Heian period, a time known for its cultural and artistic achievements. The diary also highlights the role of women in society, as Tsurayuki often wrote about his interactions with female poets and courtiers, showcasing their contributions to Japanese literature.