Watarirouka Hashiritai (渡り廊下走り隊), later known as Watarirouka Hashiritai 7 (渡り廊下走り隊7), was an AKB48 sub-unit. The group was a revival of the Onyanko Club (おニャン子クラブ) unit Ushirogami Hikaretai (うしろ髪ひかれ隊). On November 14, 2013, the sub-unit announced their disbandment. Their final concert was held on February 9, 2014 at Zepp Diver City, Tokyo. Members: Hirajima Natsumi (Graduated in February, 2012)