Hatsuko Yamasaki (山崎 初子; born May 18, 1957), known professionally as Hako Yamasaki (山崎ハコ, Yamasaki Hako), is a Japanese folk singer-songwriter, actress, and writer. She recorded her first album Tobimasu in 1975. In 1991, she made her acting debut.
Source: “Hako Yamasaki”, English Wikipedia (CC BY-SA 4.0), excerpt