Harry is first seen in ViVid (ch.17), together with her "minion" classmates in her high school. Rio and Corona run into her by chance in ViVid (ch.18), and obtain her autographs. In ViVid (ch.26), she faces against Els Tasmin and wins the match in ViVid (ch.27). Starting from ViVid (ch.36), she faces off against Rio Wesley. (Source: Nanoha Wikia)