Set in the near future, a high school gives priority to privacy protection. The names of teachers and students are not revealed. 21 female high school students are locked in a classroom and their vision is shown all over the world in real time. The only way to escape is to receive many "good" marks from the audience.
After Ikou Saijo’s (Hikari Ishida) father-in-law passes away, her mother-in-law Chizuko (Atsuko Takahata) asks her to move in to the house in which he left behind. Ikou Saijo, her husband Makoto (Masanobu Katsumura) and their two children move into their father-in-law's former home. The mother-in-law lives in a home on the same land.
20 years ago, a promise was made. What type of adults have they become? Did they become who they wanted to be? In 1997, they faced a huge enemy that only young courage could fight against as a weapon; in 2017 they are faced with even more formidable opponents.
In 1921, Kenji Miyazawa (Ryohei Suzuki) left a wealthy family and went to Tokyo. Standing on his own two feet, he lived there for 8 months. Late summer, Kenji received a telegram from his family. Worried about his younger sister Toshi, Kenji returned to his family. What waited for Kenji there, was Kenji's father Masajiro. His father had deceived Kenji about the health of his younger sister, because he was worried about Kenji living alone. Meanwhile, Kenji has still not found his true calling in life. Kenji makes korokke (potato croquettes), which he tasted in Tokyo, and shares it with his family. He realizes that sharing his happiness is ideal for him. In accordance with Toshi's wish, Kenji becomes a teacher at a newly created agricultural school.
Film director Shintaro Kambayashi (Mantaro Koichi) begins work on his first movie in 15 years titled “Yakusoku no Hi.” Koichi Kaburagi (Issei Takahashi) is a screenwriter for the movie.
One day, Susumu Tochihara (Mitsunori Isaki), while working at a script printing company, sees the script for “Yakusoku no Hi.” He recognizes screenwriter Koichi Kaburagi's name and feels embarrassed because they attended the same scenario writing class.
A monster (Gou Ayano) was created from an incident that took place 100 years ago. He possesses super physical ability and can live forever. He yearns for humans and listens to the radio. He picks up things thrown away by other people. The monster dreams of living as a human. One day, he meets a young woman Tsugaru. He falls in love with her.
A 7 year love story between Ryota Hayama (Yuto Nakajima) and Koharu Uemura (Yuko Araki) from their first date to eventual marriage.
Ryota and Koharu are high school students. Ryota is indifferent to people and says very little. Koharu is not afraid of to speak her mind and she has a bright personality. Since a game of rice bag jump, they begin to date. They date at a fast-food restaurant, realize they love each other at a family restaurant and finally swear their love on a dining table with white rice.