第6話: 朋也と渚が芳子をお祭りに誘い、風子がヒトデを配る

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Tomoya and Nagisa invite Fuko's older sister, Kouko, to the Founder's Festival. In the meantime, Fuko hands out more carved starfish to students at the festival, and her fan club helps spread the word about Kouko's wedding, too. Nagisa and Tomoya meet Tomoyo, who is wearing a bear suit to find people who are causing trouble, and manages to knock Youhei out a window for bothering a girl. When Kouko finally comes, she cannot see or hear her sister. (Source: Clannad Wikia)