Can't Take Back a Served Tea Cup

Kana and Chiaki break a glass rabbit necklace that Haruka had bought. Worried that the rabbit was a gift to Haruka that she treasures, both Kana and Chiaki try to repair the rabbit. After the repairs go badly, Kana tries to get Fujioka, Keiko, and Yoshino to look for another to replace the broken rabbit. In the end, Haruka discovers the truth.