Nobuko (Sayuri Yoshinaga) works in Nagasaki, Japan as a midwife. Her son died 3 years earlier from the atomic bomb. On August 9, 1948, her son appears in front of her again. Since that time, Koji (Kazunari Ninomiya) appears in front of her and they reminiscence about pleasant times. These happy, but bizarre moments seem eternal.
Kie Hirano (Haruka Ayase) is an ordinary OL who often daydreams. Mitsumasa Kodai (Takumi Saito) at the same company as Kie Hirano, but he is an elite salaryman. He is the eldest son in the Kodai family and he is also telepathic. Mitsumasa Kodai got his special ability to read other people's mind from his British grandmother.
Mitsumasa becomes attracted to Kie's warm heart and her dreamy temperament. They begin to date and enjoy their days together, but Mitsumasa Kodai's mother calls.
Takashi Hayama (Nijiro Murakami) is a third year high school student. He falls in love with Azusa Oribe (Akari Hayami) at first sight and they begin to date.
One day, Azusa tells Takashi "people who meet me, forget about me several hours later."
Takashi doesn't believe Azusa, but by chance he realizes that he forgot about Azusa. So he won't forget Azusa, Takashi begins to leave a note for himself and Azusa.
Hatori Matsuzaki (Mirei Kiritani) is a female high school student. She has a crush on her childhood friend Rita Terasaka (Kento Yamazaki) and believes he will eventually choose her as her heroine, but Rita Terasaka begins dating Miho Adachi. Meanwhile, the most popular male student, Kosuke Hiromitsu (Kentaro Sakaguchi) takes an interest in Hatori Matsuzaki.
When she was a middle school student, Futaba Yoshioka liked Kou Tanaka who was unlike the other boys and quite gentle. Kou Tanaka then moved away and they lost contact.
At the end of Futaba Yoshioka's first year as a high school student she meets Kou Tanaka again. Kou Tanaka’s name has changed to Kou Mabuchi and his personality seems different from his middle school days.
Sayaka Kudo (Kasumi Arimura) is a 2nd grade high school student. She is a gal who wears miniskirts and has her hair dyed blonde. Even though she is a high school student, her actual academic grade level is on par with 4th grade elementary school students. During the summer, Sayaka attends a private institution. There, she meets Teacher Tsubota. Besides her mother, Teacher Tsubota is the first adult to praise her. Sayaka begins to change. She studies hard and eventually passes an entrance exam for Keio University.
Sayaka (Mitsuki Takahata) works at a office. She's not very good at her job or with love. One night, she finds a man, Itsuki (Takanori Iwata), collapsed in front of her home. She takes him inside and they begin to live together. Itsuki teaches Sayaka about cooking wild herbs and collecting wild herbs, but he has a secret.
A postman learns that he doesn't have much time left to live due to a terminal illness. A devil then appears in front of him and offers to extend his life if he picks something in the world that will disappear. The man thinks about his relationships with ex-friends, ex-lovers, relatives and colleagues who will be sincerely sad when he dies.
Naho Takamiya (Tao Tsuchiya) is a 2nd year high school student. During the spring, Naho Takamiya receives a letter sent by herself from 10 years in the future. In the letter, she liked transfer student Kakeru Naruse (Kento Yamazaki). Kakeru Naruse carried emotional scars from his mother's suicide and he died one year later. 26-years-old Naho Takamiya thinks about Kakeru Naruse often.
2nd year high school student Naho Takamiya, with the knowledge of what she feels 10 years in the future, takes action to change her future.
Takeo Goda (Ryohei Suzuki) is a high school student 2 m tall and weighting more than 100 kg. He has a righteous character. The male students adore him, but female students do not like him. All of the girls Takeo likes prefer his handsome friend Makoto Sunakawa (Kentaro Sakaguchi).
One day, Takeo saves female high school student Rinko Yamato (Mei Nagano) from a pervert on train. Takeo falls in love with her at first sight. He feels Rinko likes Makoto, but Makoto isn't the one she likes. Takeo struggles to liaise between Rinko and Makoto.