Although Ayako Suzuki, Kinako Tanaka, Nishi Nishiaraidaishi, and Kurumi Satou are each eccentric in their own way, they have something in common: they all belong to the tennis club of Usakame High School. While the girls spend their days hanging out together and diligently practicing the sport, they end up in all kinds of amusing situations. [Written by MAL Rewrite]