Taiyou Musume to Umi (太陽娘と海; Sun Daughters and the Ocean) is a Japanese mini-drama starring the entire first generation of Morning Musume, Heike Michiyo, Yanagihara Hiromi, and Misato Tate. The drama aired from April to June 1998, and was later released on VHS in 2000. The drama is about two amateur radio DJs that find out they were in love with the same man.

1st April 1998 - 25th June 1998