Teekyuu centers on the bizarre antics of four schoolgirls: Kanae Shinjou, who gets bored easily and frequently defies the laws of physics to get what she wants; Nasuno Takamiya, who is incredibly wealthy and knows how to manipulate situations to her advantage; Marimo Bandou, whose actions—such as eating panties or kidnapping children—would likely land her in jail; and Yuri Oshimoto, their ordinary junior, who completes this eccentric group that makes up the entire membership of their school's tennis club. Although the older girls claim an interest in learning the sport, they prefer to mess around. Yuri, being the only one who actually knows how to play and the most mature despite her younger age, is left to manage her seniors' out-of-control behavior. When these four girls come together, chaos ensues in this fast-paced comedy about a tennis club that doesn't really play tennis.