Ariwara no Narihira was a prominent Japanese poet and nobleman during the Heian period (794-1185). He is best known for his contributions to the Kokin Wakashū, an important anthology of Japanese poetry. Narihira's work often reflects themes of love, nature, and the fleeting nature of life, showcasing the aesthetic values of his time. In addition to his poetry, Narihira is a legendary figure in Japanese literature, often associated with the Tale of Ise, a classic work that blends poetry and narrative. His life and works have influenced many later poets and writers, solidifying his place in Japan's literary history.