Mori Chiyoko is a Japanese lyricist born in Osaka and currently affiliated with T's Corporation.
She started out as a copywriter before transitioning to songwriting in the late '90s. Since then, she's built a pretty solid catalog writing lyrics for everything from children's songs to mainstream pop tracks. You'll find her work tied to artists like Hirahara Ayaka, Horiuchi Takao, Tackey & Tsubasa, and Tendou Yoshimi. She's also notable for writing songs in Korean, which helped her work reach beyond Japan's borders.
Content compiled by AnimeList.moe from publicly available sources.