Kotoko has to leave the Irie home, and decides to give up on Naoki. But she is determined to pursue the grueling training in tennis. It so happens that she is challenged to a pairs match, paired with Naoki against the Sudo-Matsumoto team. Naoki loses for the first time in his life, so he decides to coach Kotoko in tennis. On the other hand, Noriko misses Kotoko and goes undercover to the university, where she gets the news that Naoki and Kotoko have had their first kiss.
If anyone could win paired 
with a thing like that,
Si alguien ganase 
con esos emparejamientos,
Si alguien ganara con 
esos emparejamientos,
Pour gagner en double avec elle,
il faut être champion du monde.
Se alguém conseguisse vencer
 jogando em dupla com ela,