Mitsuko Murakami puts the passion to balloon in the hot-air balloon Circle "Airheads". The club gathered young people holding a variety of thoughts. But "Airheads" is disbanded not too long. Five years after their time in the Balloon Club ended, the members' former club leader brings them back together and rekindles old flames.
| Actor | Role |
|---|---|
 Motoki FukamiJiro | Jiro |
 Yukie KawamuraMidori | Midori |
 Tomoharu HasegawaMurakami | Murakami |
 Hiromi NagasakuMitsuko | Mitsuko |
 Tamae AndoShunko | Shunko |
 Issei IshidaNot listed | Not listed |
 Mayuko NishiyamaNot listed | Not listed |
 Yoshiaki YozaTakeshi | Takeshi |
 Noriko EguchiSachiko | Sachiko |
 Jyonmyon PeNot listed | Not listed |
 Yasuomi ŌtaNot listed | Not listed |
 Masatoshi MatsuoNot listed | Not listed |
 Hitotoshi UchiyamaNot listed | Not listed |
| MMegumi KitaoNot listed | Not listed |
 FujikoNot listed | Not listed |
 Ippei SaitoNot listed | Not listed |
 Yukiya OonishiYuuki | Yuuki |
 Agatha OkadaNot listed | Not listed |
 SoshikoNot listed | Not listed |
 Yutaka ShimizuMichiru | Michiru |
 Yohta KawaseYuuichi | Yuuichi |