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.
I don't want just any girl to live with us.
No decido indiscriminadamente que quiero 
que una chica viva con nosotros.
No quiero que viva con nosotros porque sí.
Mais moi…
Eu não quero qualquer garota
 para vir morar conosco!