The plot is based on a young man, Yamato Akitsuki, who moves from his rural home in Hiroshima Prefecture to live at his aunt's apartment building and indoor bath complex in Tokyo and attend the local athletics-oriented high school. Before arriving at his new home, he walks past his new school and sees a young girl practicing high jump at the track field.
He falls in love with her at first sight but does not expect to see her again. He soon discovers that the girl, Suzuka Asahina, is one of the occupants of his aunt's apartment and that they happen to live next door to each other. To pursue Suzuka, Yamato joins the track and field team in hopes of impressing her. After joining the team, he discovers that he has the potential to become a top hundred-meter sprinter. The story intertwines his pursuit of love and athletics.
Suzuka's character-driven plot predominantly makes use of dramatic structure to facilitate character development. Characterization is further achieved through the use of character back-story. The story in general employs a realistic tone, but will occasionally use surreal humour. Some events covered in the story are: track competitions, vacations, culture festivals, and outings to a Karaoke Box and a theme park. The manga and anime follow the same storyline, though there are minor differences. One of these changes is that the nude scenes are less graphic in the anime than the manga. Another disparity is the hair color of some of the characters such as the character Miki, who is depicted as having bright red hair on the covers of the manga, but is portrayed with brown hair in the anime