Maruo Eichiro continues his training at STC as he tries to master every shot. At smaller tournaments he begins advancing to the third round but is unable to go further. His mother worries that Eichiro is spending too much time on tennis when he drops out of cram school to practice more. Eichiro begins calling Natsu Nat-chan. After one year of playing Maruo prepares to return to the Kanagawa Junior Circuit and make it past the third round, but in order to do so he'll likely have to defeat three seeded players.