在这部气球俱乐部，自那之后剧情片中,一群年轻人组成了一个名为“上空”的气球俱乐部，他们中间有真正热爱热气球运动的人，也有只想打发时间派遣寂寞的人，更有借此寻求友情爱情的人。二郎（深水元基饰）曾经是其中的一员，而如今俱乐部的成员们早已各奔东西。二郎也正埋首于自己的生活，为事业而忙碌，为与女朋友绿（川村雪绘饰）的关系而...
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 after. Five years later, "Murakami was in a traffic accident" starts to go around between the circle members, and for that reason the members reunite and hold again a large banquet in order to remember Murakami and the days in the Club.
气球俱乐部，自那之后。
