As if to finish off Naoko's broken heart, Aya decides to marry Masato; Aya's actions surprise Masato; Naoko makes a decision.

Masato begins to feel uncertain about being married; Naoko and Masato chat happily for the first time in a long time, not realizing that Aya can see them.

Aya confronts Naoko and insists that she stop tempting Masato; Masato tells Aya to stop picking on Naoko.

Masato makes the decision to file for divorce, but Aya does not allow it; a storm brews inside of Naoko.

Masato returns to Japan after eight years away; Professor Takinohara asks Naoko and Masato to discretely remove a tumor from him; Aya finally agrees to the divorce.

The aftermath of Naoko and Masato's secret surgery begins to affect them; Aya and Yasushi look into Naoko and Masato's meetings.