Tomoko Yamaguchi (Japanese: 山口 智子, Hepburn: Yamaguchi Tomoko; née Yoshiura (吉浦); born 14 January 1958), known professionally as Tomoko Aran (亜蘭 知子, Aran Tomoko), is a Japanese singer-songwriter and book author. After starting her songwriting career in the late 1970s, she had released nine albums and eight singles for Warner Pioneer and CBS/Sony from 1981 to 1990. She returned to public attention in the 2010s amidst the rise of city pop to popularity.
Source: “Tomoko Aran”, English Wikipedia (CC BY-SA 4.0), excerpt