第2話: 秋葉原と原宿で買い物に別れたgenshikenメンバーの発見

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Genshiken takes Sasahara to Akihabara for dōjinshi shopping while Kohsaka and Kasukabe go to Harajuku for clothes; Kasukabe discovers Kohsaka's hentai collection and gets an introduction on the subject from the others (Source: Wikipedia)