3 senior highschool girls help make a hot air balloon for a boy during their summer holidays and took up all sort of part-time jobs in the course.
Saito Masao reminisces on the days of his youth more than 50 years ago and his forbidden love of his older cousin Tamiko. When he was 15, Tamiko moved in to take care of his sickly mother. The two quickly fell in love with each other but were inevitably forced by their family to live separate lives.
