Japanese priest Ryo-Nin was the founder of the Yuzunembutsu Sect. His posthumous name was Sho-o Taishi. He was well known for the plaintive and beautiful way in which he invoked the name of Buddha. Also excelled in chanting Shomyo Bombai, or Buddhist songs, in the style of Jikaku Taishi.
Ryo-Nin was born in 1072, Owari Province (Aichi Prefecture). He was a son of Michitake Hata. His mother was a daughter of a chief priest of the Atsuta Shrine.
He went to Mount Hiei and studied esoteric and exoteric Buddhism.
Founded the Raikoin Temple at Ohara, Yamashiro Province (Kyoto Prefecture). He also traveled widely in the country and founded the Dai-Nembutsuji Temple in Settsu Province (Osaka Prefecture)
He is well known as a Buddhist. According to legend, he sat continually for more than 20 years, without once lying down in meditation. While doing so, he conversed with Buddha and was taught by him. Ex-Emperor Toba, Court nobles and officials followed his teachings.