The story of this series follows a young man at the age of 21 named Kohei played by Okada Junichi. The setting of the story is in Kisarazu (hence the title of the drama series), which is a city in Chiba, Japan. He is diagnosed with cancer and has been told that he has a total of 6 months to live. Instead of being depressed, Kohei decides to do something else, something daring and unique. The show focuses mainly on Kohei and four of his close friends. The five grew up together as they were all on the same high school baseball team. Bambi (Sakurai Sho), Masta (Sato Ryuta), Ani (Tsukamoto Takashi), and Ucchie (Okada Yoshinori). Kohei, known as Bussan to his close friends, forms the group Kisarazu Cat's Eye.