In 1985, in Japan, which was about to enter the bubble economy, there was a region where contradictions in the world seemed to gather. Nishinari Ward, Osaka. Origins, prejudices, school violence, sloppy homes ... There were many children who dreamed of a better tomorrow in a harsh environment, worried, suffered, and stubbornly sought their way of life. A moving story that depicts the way of life of a real teacher, Kaba Masuo, who faced them and collided head-on.

Under the vast, open sky of Uda City in Nara, three young strangers meet by chance - Sae, who has just been abandoned by her boyfriend who moved with her, Akari, who has come to find the infamous flamingos her best friend Kyon-chan once spoke of, and Ryutaro, who has never once left his hometown and spends his days living in tedium. Koe and Ryutaro decide to join Akari on her journey. The hearts of these three strangers mingle for only a day; a brief but memorable encounter that will follow them for life.