Yu Takada (Ryosuke Yamada) works at a company. Since he was a kid, his father has always favored his smarter, older brother. His father doesn't seem to care much about Yu, but Yu craves affection from his father.
One day, Yu meets a woman by chance. That experience wasn't that good, but he begins to have feelings for her. Yu then learns she is his older brother's girlfriend.
Etsuko Kono (Satomi Ishihara) is a 28-year-old woman who loves fashion. Aspiring to become a fashion editor, she joins a publishing company, but she is sent to work in copy editing section. There, her job is to correct errors and inadequate parts of documents and copies.
Kinshiro Toyama (Hiroshi Tamaki) is the new chief at Kitamachi police station. He is enthusiastic to solve cases which interests him. He bickers over pretty much everything with veteran detective Yozo Minami (Masahiro Takashima). Minori Aikawa (Miori Takimoto) is a rookie detective who wants to become a veteran detective.
Yoichi Haruno (Hiroshi Tamaki) is 35-years-old and works for a company. His wife, Chisato (Kana Kurashina), is 28-years-old. Before they had a child, their marriage life was easygoing. After having their child, their relationship changes. Yoichi feels that Chisato is cold to him, but he doesn't know why.
Botchan (Kazunari Ninomiya) has sense of strong justice and does not lie. He is offered a teaching job at a middle in a small village far away from his hometown of Tokyo. Botchan accepts the position and begins to work as a math teacher. The assistant principle there wields absolute power. Botchan has a hard time dealing with his fellow teachers and the students.
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.
Sharaku Homonji (Yuji Oda) is the eldest son of a distinguished family who has studied crime for generations. The eldest son from the Homonji family has tested for an IQ of 246 for generations and Sharaku Homonji possess an IQ of 246.
Soko Wato (Tao Tsuchiya) is a detective. One day, she is assigned to the investigation section #1. Her job there is not to investigate crimes, but to escort Sharaku.
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.