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.
Kira Aso (Marie Iitoyo) is a high school student with an introverted personality. When she was a child, her father died in a car accident caused by a motorcycle gang. Now, she sketches the sea everyday during her spring break. One day, Rei Kashino (Taisuke Fujigaya) rides his motorcycle and sees Kira Aso sketching the sea. He sits next to her. Kira isn't used to talking to guys and isn't friendly to Rei Kashino.
The new semester begins. Kira Aso meets Rei Kashino as her classmate. Rei Kashino doesn't get interested in particular style of girls, but he becomes interested in Kira Aso. Harumi Sugihara (Hirona Yamazaki), who likes Rei, and Tatsuya Kida (Yu Inaba), who is Rei ’s friend, are surprised in Rei's interest for Kira.
Makio Kirishima (Masataka Kubota) graduated from the same middle school as Rei Kashino and transfers to the same high school as Rei. The relationship between Kira Aso and Rei Kashino changes.
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.
Tomomitsu Tsuchiya (Taisuke Fujigaya) is the captain of his high school basketball team. He is also a senior at his school. Even though he is not that good in basketball, he is selected as bench player for the prefecture qualifying round. The underclassmen on his team, who are all better than him, are not happy about his selection.
Tomomitsu Tsuchiya then meets Sae Hatori (Mizuki Yamamoto). She is also a senior at the same high school. She keeps watching Tomomitsu Tsuchiya shoot three pointers. They become closer and develop a romantic relationship. Suddenly, Sae transfers to another school without saying a word.
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.
Kasumi (Tomoyo Harada) is divorced and lives with her high school student aged son. She supports her family by delivering laundry. One day, she meets Yuri (Takumi Saito). Yuri is a customer of the laundry delivery service. He is a popular designer, known for his designs of cafes and furniture. Yuri talks to Kasumi without restraint. At first, Kasumi is cautious around him, but she becomes attracted to him.
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.