Yuho Iwasato(岩里 祐穂Iwasato Yūho) (Born in December 3rd, 1957, Niigata Prefecture origin) is a Japanese songwriter, for which many of her songs have been used in anime. She is also known by another pen name of Mio Iwasato. In addition, she has written lyrics for some Japanese singers including Maaya Sakamoto, Miki Imai and many others. She is known to be a close friend (in working field) of Miki Imai, Yoko Kanno, Akino Arai and also Maaya Sakamoto.