Takenoshin Yaza

As his parents' marriage fractures and eventually collapses into divorce, high schooler Takeshi becomes increasingly obsessed with hunting for a mysterious 'ball of fire' rumored by a childhood friend. Using this quest to escape the quiet turmoil at home, Takeshi leaves his younger brother to shoulder the family's emotional weight without realizing it.

After Fukushima, Yaza and his colleagues are researching the use of atomic energy in Japan. With various interview partners, they try to shed light on the background to the disaster and the advantages and disadvantages of nuclear power.