Masaki Suda

A woman writes a letter to a young man, leading to a correspondence with his father that unveils the truth of a 24-year-old high school romance, his son's death, and the power of love letters.

Ryōsuke Yoshii, an ordinary reseller, carelessly earns grudges by people and becomes entangled in a life-threatening struggle.

While the Second World War rages, the teenage Mahito, haunted by his mother's tragic death, is relocated from Tokyo to the serene rural home of his new stepmother Natsuko, a woman who bears a striking resemblance to the boy's mother. As he tries to adjust, this strange new world grows even stranger following the appearance of a persistent gray heron, who perplexes and bedevils Mahito, dubbing him the "long-awaited one."

Masashi is a photographer. He has his parents and an older brother Yukihiro. Through the 2011 Tohoku earthquake and tsunami, Masashi begins to take staged photos of his family.

A mysterious creature destroys part of the moon and then warns that, if it is not destroyed before March of the following year, Earth will be next. It also demands to become the homeroom teacher of Class E, a third-year class at Kunugigaoka High School.