A girl named Shiina Tamai bonds with a starfish-shaped "dragonchild" whom she calls Hoshimaru.
Shiina Tamai
Akira Sakura
Hiroko Kaizuka
Akinori Komori
Takeo Tsurumaru
Naozumi Sudou
Bungo Takano
Satomi Ozawa
Norio Koga
Shunji Tamai
Misono Tamai
Hoshimaru, Jun Ezumi, Mamiko Kuri