Eiichir? Maruo (nicknamed "Ei-chan" for his grades being straight "A") is an honor student, bookworm, and is not interested in anything other than studying. In order to solve his problem of lacking physical strength, he enrolled a tennis school and soon found the fascinating side of tennis. Being a tennis newbie lacking physical strength, he supplement his shortcomings with his excellent observing and analyzing skills.
Sakamichi Onada is a wimpy high school freshman who loves anime. He initially wants to enter the anime club, but winds up joining the cycling club after meeting two classmates who are already famous cyclists. He undertakes the grueling training to compete in races, and discovers his own hidden talent in cycling.