Ep. 1: Watanuki assume a maldição da aranha de Doumeki após danificar uma teia no templo.

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Watanuki meets Doumeki at the temple where he lives. While helping Doumeki clean the yard, Watanuki damages a large spider web hanging from a tree. Doumeki clears the spider web away. The next day, Doumeki cannot open his right eye, which is covered in a substance similar to a spider web. Watanuki turns to Yuuko, who explains that the spider, whose web Doumeki cleared away, has taken its revenge by taking something of similar value, Doumeki's eye. Watanuki feels that the spider's grudge should be directed at him, even when Yuuko points out that grudges aren't reasonable. That night, Doumeki goes outside and is engulfed by a strong wind which removes the web restoring his right eye. The next morning, Watanuki comes to school with a bandage over his right eye. When Doumeki later rips it off, it is shown that Watanuki's right eye has become blank and lost its vision which angers Doumeki. After school, Watanuki stops at the temple to deliver a book for Himawari and sees that Doumeki is carrying a large number of old books about reversing spells and lifting curses. When he tells Yuuko, she says that Doumeki is trying to lift the spider's curse himself. (Source: Wikipedia)