Seiko Matsuda
Okada played the leading role in her first television drama "Kinjirareta Mariko" ("The Forbidden Mariko"), in 1985. Her 1986 single , written by Seiko Matsuda and composed by Ryuichi Sakamoto, reached number one on the Oricon weekly singles chart dated February 10, 1986. (It was later covered by idol girl group Sunmyu as its debut song in 2013.)