Two major duets by Yoshinori Monta and Junko Ohashi are released simultaneously on analog 7inch single vinyl!

In April 1983, "Natsu Onna Sonia" became a big hit under the name "Yoshinori Monta with Junko Ohashi," and the following June 1984, "Koi wa Magic" was released simultaneously, this time under the name "Junko Ohashi with Yoshinori Monta!

The couplings include Yoshinori Monta's solo song "Harbor Light" and Junko Ohashi's solo song "A LOVE AFFAIR," respectively.