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 you leave their home, you'll lose 
yet another of your ties to Irie. Right?
Si te vas de su casa,
Si te vas de su casa,
Si vous ne vivez plus ensemble,
votre lien va s’affaiblir.
Se você saiu da casa, então você
 cortou seus laços com o Irie.