Ep. 9: Yuuji Feels Jealousy After Learning of Kazuki's Past Suitors
Aired on September 3, 2006

9
Yuuji learns that Kazuki was popular with boys in middle school and received many marriage proposals, which she rejected for an unknown romantic interest. Suspecting the new teacher, whom both Yuuji and Chihaya know, is the object of her affection, Yuuji begins to experience feelings of jealousy.
Episodes
- Ep. 5 · Kazuki's jealousy erupts when Chihaya and Yuuji grow close, threatening their friendship.
- Ep. 6 · Chihaya attempts to reconcile Kazuki and Yuuji following their breakup
- Ep. 7 · Marie seeks Hatsune's weakness to punish Yuuji, but Kazuki finds Hatsune ill and steps in to care for her.
- Ep. 8 · Kazuki breaks her sister's swimming record, prompting a challenge and mental games from Hatsune.
- Ep. 9 · Yuuji Feels Jealousy After Learning of Kazuki's Past Suitors
- Ep. 10 · Teacher plans beach trip while Kazuki unfairly targets Yuuji with double standards
- Ep. 11 · The group attends a festival where an incident occurs involving Yuuji, Kazuki, and their teacher.
- Ep. 12 · Yuuji changes his behavior while Kazuki reflects on a letter from ten years ago
- Ep. 13 · Yuuji relocates while Kazuki reflects on their shared past behaviors